essay on personality types

How to Masterfully Describe Your Personality in an Essay: A Step-by-Step Guide 2023

Introduction

Step 1: self-reflection and introspection, step 2: identifying core values and beliefs, step 3: gathering evidence and examples.

• Step 4: Show, don't tell

Step 5: Structuring your essay effectively

Step 6: balancing self-awareness and humility, step 7: seeking feedback and editing.

Describing your personality in an essay is not simply an exercise in self-expression; it is a transformative process that allows you to artfully communicate and convey the intricate nuances of your character to the reader. By delving into the depths of your self-awareness, personal growth, and the values that serve as the compass guiding your actions and decisions, you embark on a journey of self-discovery and introspection. In this comprehensive step-by-step guide , we will navigate the intricacies of crafting a compelling personality description in your essay, providing you with the necessary tools to masterfully articulate your unique qualities, experiences, and perspectives.

At its core, the act of describing your personality in an essay is an opportunity to authentically showcase who you are. It is a platform to illuminate the multifaceted nature of your being, unveiling the layers that make you distinct and individual. Through self-reflection and introspection , you delve into the recesses of your soul, gaining a deeper understanding of your own personality traits and characteristics. This process of self-exploration allows you to unearth the strengths that define you and the weaknesses that provide opportunities for growth.

Identifying your core values and beliefs is another essential step in effectively describing your personality. By exploring your fundamental principles and ideals, you gain insight into the motivations behind your actions and the driving force behind your decisions . These values serve as the undercurrent that weaves together the fabric of your personality, giving coherence and purpose to your thoughts and behaviors. Understanding how your personality traits align with your core values enables you to articulate a more comprehensive and authentic depiction of yourself.

To breathe life into your personality description, it is crucial to gather evidence and examples that showcase your traits in action. Recall specific instances where your personality has manifested itself, and examine the behaviors, thoughts, and emotions that were present. By drawing on these concrete examples, you provide tangible proof of your personality claims, allowing the reader to envision your character in vivid detail.

However, it is not enough to simply tell the reader about your personality traits; you must show them through vivid and descriptive language. By employing sensory details and evocative storytelling, you paint a vibrant picture that engages the reader’s imagination. It is through this artful depiction that your personality comes to life on the page, leaving a lasting impression.

Crafting an effective structure for your essay is also paramount to conveying your personality in a coherent and engaging manner. A well-structured essay captivates the reader from the outset with an engaging introduction that sets the tone and grabs their attention. Organizing your essay around key personality traits or themes creates a logical progression of ideas, enabling a seamless flow from one aspect of your personality to the next. This careful structuring enhances the readability and impact of your essay, allowing the reader to follow your journey of self-expression with ease.

In describing your personality, it is essential to strike a delicate balance between self-awareness and humility. While it is important to acknowledge your strengths and accomplishments, it is equally crucial to avoid sounding arrogant. Honesty about your weaknesse s and areas for growth demonstrates humility and a willingness to learn from experiences, fostering personal growth and development.

Also, seeking feedback and diligently editing your essay play a vital role in refining your personality description. Sharing your work with trusted individuals allows for constructive criticism, providing valuable insights into how effectively your personality is being portrayed. By carefully incorporating this feedback and paying attention to grammar, punctuation, and clarity, you can ensure that your essay is polished and ready to make a lasting impression . Below are the step by step guide on how to masterfully describe your personality in an essay

Before diving into writing, take the time to deeply understand your own personality traits and characteristics. Reflect on your strengths and weaknesses , considering how they have influenced your actions and interactions with others. Additionally, contemplate significant life experiences that have shaped your personality, providing valuable insights into who you are today.

Your core values and beliefs are the guiding principles that define your character. Explore what truly matters to you and the ideals that drive your decisions . By connecting your personality traits to these fundamental values, you create a more comprehensive understanding of yourself, providing a solid foundation for your essay.

To effectively describe your personality, draw upon specific instances where your traits were on display. Recall experiences that highlight your behavior, thoughts, and emotions. By utilizing concrete examples, you lend credibility to your claims about your personality, allowing the reader to envision your character in action.

Step 4: Show, don’t tell

Avoid falling into the trap of generic and vague descriptions. Instead, use vivid language and sensory details to bring your personality to life. Engage the reader’s imagination by painting a clear picture through storytelling. Let them experience your traits firsthand, making your essay more engaging and memorable.

Crafting a well-structured essay is crucial for conveying your personality in a coherent and engaging manner. Begin with an attention-grabbing introduction that captivates the reader’s interest. Organize your essay around key personality traits or themes, ensuring a logical progression of ideas. Maintain a smooth flow between paragraphs, enhancing the overall readability of your essay.

While it’s essential to highlight your strengths, be careful not to come across as arrogant. Emphasize your accomplishments and positive attributes without boasting. Simultaneously, be honest about your weaknesses and areas for growth , demonstrating humility and a willingness to learn from experiences. This balance showcases maturity and self-awareness.

Sharing your essay with trusted individuals can provide valuable perspectives and constructive criticism. Seek feedback from mentors, teachers, or friends who can offer insights into your essay’s strengths and areas that need improvement. Revise and refine your essay based on this feedback, paying close attention to grammar, punctuation, and clarity.

Incorporating these steps and techniques will allow you to masterfully describe your personality in an essay, capturing the essence of who you are in a compelling and authentic manner. Whether you are writing personality essays, an essay about personalities, or an essay on personality, the introduction of your personality essay should create a strong impression. It serves as a gateway for the reader to delve into your unique characteristics and perspectives. By effectively integrating these steps and maintaining a balanced approach, you can create a personality essay introduction that sets the stage for a captivating exploration of your individuality. So, how would you describe yourself? Use these guidelines and examples to express your personality with confidence and authenticity in your essay.

Mastering the art of describing your personality in an essay allows you to authentically express yourself and connect with readers on a deeper level. By embracing self-reflection and emphasizing personal growth, you create a c ompelling narrative that showcases your unique qualities. So, embark on this journey of self-expression and let your personality shine through your writing. Embrace authenticity, as it is through effective self-expression that personal growth and understanding can flourish.

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• Describe Your Personality Essay

How to Masterfully Describe Your Personality in an Essay

By: Tasha Kolesnikova

What's your personality type? Knowing your personality traits and the ability to describe them in written form will help you in all aspects of your life - from your first day in school until your last job. For instance, one practical application of such essays is to impress hiring managers with your cover letter and job interviews. Being able to answer the "tell me about yourself" query properly not only enables you to answer interview questions and explain why you fit the job description perfectly but also helps you navigate through your work-life and relationships with your co-workers.

Theory of Temperaments

• How to Describe Your Personality in a Paragraph Wi

Short Essay on My Personality

Sample essay on your personality, why is it not an a+ essay, what to consider when writing your analysis essay:.

• What Questions to Answer When Writing About Your P

What should be included in my personality essay?

• How can I intertwine society, understanding, and p
• How do I ensure the situations mentioned are refle

Your Portrait - Select the Key Characteristics

You don't necessarily need a personality test to know your personality. But how would you describe yourself? Talking about yourself may be hard. However, knowing yourself well is essential for profound communication skills and adaptability.

Every person has weaknesses in their personality as well. When writing your personality essay for your job application, for example, you can choose weaknesses that are unimportant to the position you're applying for, such as being shy or having limited experience. You can also include traits that you consider a weakness but can actually also be your strengths, like being self-critical or being competitive.

Theories on Personality

How does your personality develop over time? There are many explanations scattered around with different theories in various studies. One of them is the Theory of Temperaments.

This is the earliest known theory from Hippocrates. He divided personality based on four temperaments connected to bodily fluids he referred to as "humor."

Using Adjectives in Your Essay

Which descriptions fit you the best? Before you write your essay, remember that you should establish a bond between you and your reader. Using adjectives will help you in creating that connection. Adjectives are critical in expressing ourselves and how we relate with others. They help us explain and give specific information in our answers that will make others get to know us better.

Think of the words you associate with yourself the most or find synonyms you can use in your essay. You can take advantage of thesaurus sites online like WordHippo and Synonymy to properly convey your personality type. For example, you can talk about your conscientiousness or substitute it with simpler words like "dedicated" or "ethical" so your readers will easily understand what you mean.

How to Describe Your Personality in a Paragraph With Examples

When constructing a personality paragraph, it's imperative to identify and integrate aspects like values, knowledge, and behavior, to offer a rounded depiction of oneself.

Personality paragraph examples:

A well-rounded personality paragraph, brimming with real-life examples, not only describes traits but also the influences and motivations behind them, providing a more insightful glimpse into one’s character.

Crafting an authentic and introspective essay on my personality profile involves a meticulous exploration of self, allowing for a candid reflection on how I perceive and project myself.

To start, my personality essay introduction would offer a synopsis of my character, allowing a sneak peek into my temperament, beliefs, and capabilities.

Knowing how to describe your personality in an essay involves weaving a narrative that captures not only individual traits but also emotions, thoughts, abilities, and the influence of family and surroundings on one's personality.

A short personality essay should also depict my interactions with individuals, illustrating how relationships have shaped and continue to mold my character. Describing my personality essay entails delving into factual and nuanced reflections of my personal experiences and interactions, providing a multidimensional view of my individuality.

When considering how to write an essay about your personality, combining self-awareness with an honest and engaging narrative is crucial for creating a resonant and comprehensive portrayal.

Your peers may ask you to make an essay to prepare you for a situation when you will have to reply to the hiring managers' requests. An example of this essay is as follows:

Each individual has a personality that is unique to them, making them irreplaceable. This makes humans interesting because everyone has different experiences and reasons why they behave and feel the way they do. The three traits that describe me the most are as follows: honest, reliable, and ambitious.

I live by a strict code of honesty. Not only was I raised by my parents to always tell the truth but also because it became an integral part of my life that I can't imagine myself trying to lie. Being honest helped me keep my relationships with my family and friends strong. This is because, at any time that we have misunderstandings, we talk about it openly.

Me being honest contributes to my reliability. When I give someone my word, I always intend to keep it. I apply this philosophy at all times: from small routine tasks to critical projects on which many things depend.

I am an ambitious person, as I want to achieve all the goals that I set in life. New accomplishments make me extremely happy and help me to dream big!

The sample essay you have just read could be assessed with a B- grade. But how to make it an A+?

To be fair, the essay's introduction is rather good. It talks on the topic from a general perspective, narrowing it down to the essay's focus – the author's personality. However, to make this introductory paragraph a brilliant one, think of a more gradual transition, for instance:

"There are no two personalities that are the same, and that's the beauty of it! I always like seeing myself as a part of a shining galaxy, spreading my unique light among other fellow stars. If I think about what character traits make up my bright shine, the three major pillars that come to mind are honesty, reliability, and a great deal of ambition."

This introduction uses metaphors and will definitely be remembered by the reader!

The sample essay's main body also has parts that require improvement. While the paragraph about reliability has a connection with the previous one, the part where the author talks about ambition seems disconnected. Adding just one sentence could fix this issue:

"Speaking of grand projects, I have plenty – after all, I'm an ambitious person."

Also, it is highly advisable to elaborate on the topic. In this essay, for example, the author could share some plans or dreams with the reader, making the story more personal and relatable.

Finally, the sample essay is lacking a conclusion. Summarize what you've already said and make a memorable statement to end your essay, for example:

"As you can see, I am quite a mix. As challenging as being honest, reliable, and ambitious at the same time may be, I try to make the best of it!"

Tips on Creating a Brilliant Essay About Yourself

Writing an essay about your personality can be tough, especially if you're an introvert, as it's the same as showing your inner self to other people. In fact, you will need to brainstorm and explain why you have that personality trait - how you acquired it and why you're keeping it with you until now.

• Organization. Make a draft about what you want to talk about in your essay.
• Structure. Don't forget to write a great introduction, with the body supporting your points, and end it with a proper conclusion.
• Honesty. Talk about your real personality traits while highlighting the positive ones. Don't write traits you don't have.

What Questions to Answer When Writing About Your Personality:

1. What are the personality traits I have that I am most proud of?

Focus on traits that help make you an asset to anyone you work with. Play up your extraversion and downplay any neuroticism.

2. Why do I have these traits, and do I plan to keep them?

Expound on how you acquired these traits - were they because you were raised with these manners, or is it because of an experience you had where you realized these behaviors help? Make your readers relate to your encounters.

3. How will these traits help me in my daily life and at my workplace?

Elaborate on why you're proud of these traits and how they make your relationships flourish. Give emphasis to behaviors that assist you in having a better relationship with people. After all, teamwork is all about people's personalities working well together.

Find it difficult to describe your personality in an essay? You can rely on Studybay!

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Your personality essay should include a clear introduction, body, and conclusion. Begin with a general introduction of yourself, delve deeper into specific traits, values, and experiences in the body, and summarize the main points in the conclusion. Integrate real-life examples and facts to add depth and authenticity to your essay.

How can I intertwine society, understanding, and problems in an essay about my personality?

When writing an essay on my personality, briefly discuss how societal issues and what you learn from them shape your character and actions. For instance, mention a specific societal problem that has influenced your views, values, or behavior, illustrating the interconnectedness of your personality and your environment in a concise manner.

How do I ensure the situations mentioned are reflective of my personality in an essay about my personality type?

In your paper, outline your personality type clearly and illustrate with a situation showing its impact and interaction with society. Use real-life examples to demonstrate how your personality perceives and responds to societal contexts, ensuring a cohesive and authentic representation in your essay.

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This article is very helpful, in my opinion. I was having trouble with "how do you know your personality?" essay and this helped me a lot. 🙌

What a great article! This gave me a lot of ideas for how to begin an essay about myself and my personality.

💭 To be honest, I always find it hard to write a personality paragraph. At school, it's tough for me to figure out which of my qualities to stress, and it's difficult to stay honest and fair.

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Myers-Briggs Type Indicator (MBTI): 16 Personality Types

Julia Simkus

Editor at Simply Psychology

BA (Hons) Psychology, Princeton University

Julia Simkus is a graduate of Princeton University with a Bachelor of Arts in Psychology. She is currently studying for a Master's Degree in Counseling for Mental Health and Wellness in September 2023. Julia's research has been published in peer reviewed journals.

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Saul McLeod, PhD

Editor-in-Chief for Simply Psychology

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Saul McLeod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.

Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.

On This Page:

The Myers-Briggs Type Indicator (MBTI) is an introspective, self-report evaluation that identifies a person’s personality type and psychological preferences.

The MBTI propose that four different cognitive functions determine one’s personality: extraversion vs. introversion, sensing vs. intuition, thinking vs. feeling, and judging vs. perceiving.

MBTI Meaning

MBTI, short for Myers-Briggs Type Indicator, is a widely used personality assessment tool based on Carl Jung’s theories.

It categorizes individuals into one of 16 personality types, providing insights into their preferences in four dimensions: extraversion/introversion, sensing/intuition, thinking/feeling, and judging/perceiving. MBTI is commonly used for personal development, career counseling, and team building.

According to the MBTI theory, you combine your preferences to determine your personality type. The 16 types are referred to by an abbreviation of the initial letters of each of the four type preferences of each cognitive function.

For example, “ISTP” would denote introversion, sensing, thinking, and perceiving. No combination is considered “better” or “worse” than another– all types are considered equal.

The MBTI emphasizes that each individual has specific preferences in the way they view the world, and this assessment provides insight into the differences and similarities in people’s experiences of life.

The Development of the Myers-Briggs Test

The MBTI tool was developed by Isabel Briggs Myers and her mother Katharine Cook Briggs in 1942 and is based on psychological conceptual theories proposed by Swiss psychiatrist Carl Jung in his work, Psychological Types.

Jung’s theory of psychological types was based on the existence of four essential psychological functions – judging functions (thinking and feeling) and perceiving functions (sensation and intuition ).

He believed that one combination of the functions is dominant for a person most of the time.

Jung’s theory holds that human beings are either introverts or extroverts , so the combinations are expressed in either an introverted or extroverted form (This is why E or I is the first letter of the series). The remaining three functions operate in the opposite orientation.

The Four Dichotomies:

This assessment aims to assign individuals into one of four categories based on how they perceive the world and make decisions, enabling respondents to further explore and understand their own personalities.

The four categories are: introversion or extraversion, sensing or intuition, thinking or feeling, and judging or perceiving. Each person is said to have one preferred quality from each category, producing 16 unique personality types.

Extraversion (E) vs. Introversion (I)

• These are opposite ways to direct and receive energy. Do you prefer to focus on the outer world or your inner world?
• This dichotomy describes how people respond and interact with others and orient themselves within the world around them.

Extraverts tend to be action-oriented – focusing on other people and things, feeling energized by the presence of others, and emitting energy outwards.

Introverts are more thought-oriented. They enjoy deep and meaningful social interactions and feel recharged after spending time alone.

Sensing (S) vs. Intuition (N)

• Do you prefer to focus on the basic information you take in, or do you prefer to interpret and add meaning?
• This dichotomy describes how people gather and perceive information.
• Sensing-dominant people tend to prefer to focus on facts and details and perceive the world around them through their five senses.
• Intuition-dominant types are more abstract in their thinking, focusing on patterns, impressions, and future possibilities.

Thinking (T) vs. Feeling (F)

• When making decisions, do you prefer to first look at logic and consistency or first look at the people and special circumstances?

This dichotomy describes how people make decisions and use judgments.

Thinking types use logic and facts to judge the world, while feeling types tend to consider emotions.

Judging (J) vs. Perceiving (P)

• In dealing with the outside world, do you prefer to get things decided, or do you prefer to stay open to new information and options?

This dichotomy describes how people tend to operate in the outside world and reveals the specific attitudes of the functions.

Those judging dominant tend to be more methodical and results-oriented and prefer structure and decision-making.

Perceiving dominant individuals are more adaptable and flexible and tend to be good at multitasking.

The dominant function is the primary aspect of personality, while the auxiliary and tertiary functions play supportive roles.

The 16 Personality Types

Istj – the logistician.

These individuals tend to be serious, matter-of-fact, and reserved. They appreciate order and organization and pay a great deal of attention to detail.

They like to plan things out in advance and place an emphasis on tradition and law. They are responsible and realistic and can be described as dependable and trustworthy.

ISFJ – The Defender

These individuals are friendly, responsible, and reserved. They are service and work-oriented, committing to meeting their obligations and duties.

They are loyal, considerate, and place a lot of focus on the care of others. They are non-confrontational and value an orderly and harmonious environment.

INFJ – The Advocate

People with this personality type are serious, logical and hardworking. They are also compassionate, conscientious, and reserved.

They value close, deep connections and are sensitive to the needs of others, but also need time and space alone to recharge.

INTJ  The Architect

These people are highly independent, self-confident and prefer to work alone. They are analytical, creative, logical, and driven.

They place an emphasis on logic and fact rather than emotion and can be viewed as perfectionist.

They tend to have high expectations of competence and performance for themselves and others.

ISTP – The Crafter

People with this personality type are fearless and independent. They love adventure, new experiences, and risk-taking.

They tend to be quiet observers and are not well attuned to the emotional states of others, sometimes coming across as insensitive or stoic.

They are results- oriented, acting quickly to find workable solutions and understand the underlying cause of practical problems.

ISFP – The Artist

These individuals are quiet, friendly, easy going, and sensitive. They have a strong need for personal space and time alone to recharge.

They value deep connection and prefer to spend time with smaller groups of close friends and family.

They are highly considerate and accepting, avoiding confrontation and committed to their values and to people who are important to them.

INFP – The Mediator

These people are creative, idealistic, caring, and loyal. They have high values and morals, and are constantly seeking out ways to understand people and to best serve humanity.

They are family and home-oriented and prefer to interact with a select group of close friends.

INTP – The Thinker

People with this personality type are described as quiet, contained, and analytical. They are highly focused on how things work and on solving problems, and tend to be good at logic and math.

They are more interested in ideas and theoretical concepts than in social interaction. They are loyal and affectionate to their closest friends and family, but tend to be difficult to get to know.

ESTP – The Entrepreneur

These individuals are action-oriented, taking pragmatic approaches to obtain results and solve problems quickly. They are often sophisticated, charming, and spontaneous.

They are outgoing and energetic, and enjoy spending time with a wide circle of friends and acquaintances. They focus on the here and now and prefer the practical over the abstract.

ESFP – The Entertainer

These people tend to be outgoing, friendly, and impulsive, seizing energy from other people. They love to be the center of attention and enjoy working with others in new environments.

They can be described as easy going, fun, and optimistic. They are spontaneous and focused on the present moment, and enjoy learning through hands-on experiences with other people.

ENFP – The Champion

These individuals are enthusiastic, creative, energetic, and highly imaginative. They have excellent people and communication skills and are good at giving others appreciation and support.

They do, however, seek approval from others. They value emotions and expression. They dislike routine and might struggle with disorganization and procrastination.

ENTP – The Debater

People with this personality type can be described as innovative, outspoken, and lively. They are idea-oriented and are more focused on the future rather than on the present moment.

They enjoy interacting with a wide variety of people and love to engage with others in debates. They tend to be easy to get along with, but also can be argumentative at times. They are great conversationalists and make good entrepreneurs.

ESTJ – The Director

These people are responsible, practical, and organized. They are assertive and like to take charge, focused on getting results in the most efficient way possible. They have clear standards and place a high value on tradition and rules.

They can be seen as rigid, stubborn, or bossy as they are forceful in implementing their plans. However, they tend to excel at putting plans into action because they are hardworking, self-confident, and dependable.

ESFJ – The Caregiver

These individuals are warmhearted, conscientious, and harmonious. They wear their hearts on their sleeves and tend to see the best in others.

They enjoy helping others and providing the care that people need, but want to be appreciated and noticed for their contributions. They are careful observers of others and excel in situations involving personal contact and community.

ENFJ – Protagonist

These people are responsible, warm, and loyal. They are highly attuned to the emotions of others and capable of forging friendships with essentially anybody.

They have a desire to help others fulfill their potential, and they derive personal satisfaction from helping others. They tend to make good leaders as they are highly capable of facilitating agreement among diverse groups of people.

ENTJ – The Commander

These individuals like to take charge. They value organization and structure and appreciate long-term planning and goal setting.

They have strong people skills and enjoy interacting with others, but they are not necessarily attuned to their own emotions or the emotions of others.

They have strong leadership skills and tend to make good executives, captains, and administrators.

Benefits of MBTI

• Companies can learn how to support employees better, assess management skills, and facilitate teamwork
• Coaches can utilize the information to help understand their preferred coaching approach
• Teachers can assess student learning style
• Teens and young adults can better understand their learning, communication, and social interaction styles
• Teens can determine what occupational field they might be best suited for
• Individuals can gain insight into their behavior
• Partners can better understand themselves and their spouses, allowing for more cohesive teamwork and greater productivity

Criticisms of MBTI

The MBTI has been criticized as a pseudoscience and does not tend to be widely endorsed by psychologists or other researchers in the field. Some of these critiques include:

• There is little scientific evidence for the dichotomies as psychometric assessment research fails to support the concept of a type, but rather shows that most people lie near the middle of a continuous curve.
• The scales show relatively weak validity as the psychological types created by Carl Jung were not based on any controlled studies and many of the studies that endorse MBTI are methodologically weak or unscientific.
• There is a high likelihood of bias as individuals might be motivated to fake their responses to attain a socially desirable personality type.
• Test-retest reliability is low (ie: test takers who retake the test often test as a different type)
• The terminology of the MBTI is incomprehensive and vague, allowing any kind of behavior to fit any personality type.

Take the MBTI (Paper Version)

Myers, I. B. (1962). The Myers-Briggs Type Indicator: Manual (1962).

Myers, Isabel B.; Myers, Peter B. (1995) [1980]. Gifts Differing: Understanding Personality Type. Mountain View, CA: Davies-Black Publishing. ISBN 978-0-89106-074-1.

Pittenger, D. J. (2005). Cautionary Comments Regarding the Myers-Briggs Type Indicator . Consulting Psychology Journal: Practice and Research, 57(3), 210-221.

The purpose of the Myers-Briggs Type Indicator®. The Myers & Briggs Foundation: MBTI Basics. (n.d.). Retrieved from https://www.myersbriggs.org/my-mbti-personality-type/mbti-basics/

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Personality Characteristics

How personality develops, impact of personality, personality disorders.

Personality describes the unique patterns of thoughts, feelings, and behaviors that distinguish a person from others. A product of both biology and environment, it remains fairly consistent throughout life.

Examples of personality can be found in how we describe other people's traits. For instance, "She is generous, caring, and a bit of a perfectionist," or "They are loyal and protective of their friends."

The word "personality" stems from the Latin word persona , which refers to a theatrical mask worn by performers to play roles or disguise their identities.

Although there are many definitions of personality, most focus on the pattern of behaviors and characteristics that can help predict and explain a person's behavior.

Explanations for personality can focus on a variety of influences, ranging from genetic effects to the role of the environment and experience in shaping an individual's personality.

What exactly makes up a personality? Traits and patterns of thought and emotion play important roles, and so do these fundamental characteristics of personality:

• Consistency : There is generally a recognizable order and regularity to behaviors. Essentially, people act in the same way or in similar ways in a variety of situations.
• Both psychological and physiological : Personality is a psychological construct, but research suggests that it is also influenced by biological processes and needs.
• Affects behaviors and actions : Personality not only influences how we move and respond in our environment, but it also causes us to act in certain ways.
• Multiple expressions : Personality is displayed in more than just behavior. It can also be seen in our thoughts, feelings, close relationships, and other social interactions.

There are a number of theories about personality , and different schools of thought in psychology influence many of these theories. Some theories describe how personalities are expressed, and others focus more on how personality develops.

Type theories suggest that there are a limited number of personality types that are related to biological influences.

One theory suggests there are four types of personality. They are:

• Type A : Perfectionist, impatient, competitive, work-obsessed, achievement-oriented, aggressive, stressed
• Type B : Low stress, even- tempered , flexible, creative, adaptable to change, patient, tendency to procrastinate
• Type C : Highly conscientious, perfectionist, struggles to reveal emotions (positive and negative)
• Type D : Worrying, sad, irritable, pessimistic, negative self-talk, avoidance of social situations, lack of self-confidence, fear of rejection, appears gloomy, hopeless

There are other popular theories of personality types such as the Myers-Briggs theory. The Myers-Briggs Personality Type Indicator identifies a personality based on where someone is on four continuums: introversion-extraversion, sensing-intuition, thinking-feeling, and judging-perceiving.

After taking a Myers-Briggs personality test, you are assigned one of 16 personality types. Examples of these personality types are:

• ISTJ : Introverted, sensing, thinking, and judging. People with this personality type are logical and organized; they also tend to be judgmental.
• INFP : Introverted, intuitive, feeling, and perceiving. They tend to be idealists and sensitive to their feelings.
• ESTJ : Extroverted, sensing, thinking, and judging. They tend to be assertive and concerned with following the rules.
• ENFJ : Extroverted, intuitive, feeling, and judging. They are known as "givers" for being warm and loyal; they may also be overprotective.

Personality Tests

In addition to the MBTI, some of the most well-known personality inventories are:

• Minnesota Multiphasic Personality Inventory (MMPI)
• HEXACO Personality Inventory
• Caddell's 16PF Personality Questionnaire
• Enneagram Typology

Personality Traits

Trait theories tend to view personality as the result of internal characteristics that are genetically based and include:

• Agreeable : Cares about others, feels empathy, enjoys helping others
• Conscientiousness : High levels of thoughtfulness, good impulse control, goal-directed behaviors
• Eager-to-please : Accommodating, passive, and  conforming
• Extraversion : Excitability, sociability, talkativeness, assertiveness, and high amounts of emotional expressiveness
• Introversion : Quiet, reserved
• Neuroticism : Experiences stress and dramatic shifts in mood, feels anxious, worries about different things, gets upset easily, struggles to bounce back after stressful events
• Openness : Very creative , open to trying new things, focuses on tackling new challenges

Try Our Free Personality Test

Our fast and free personality test can help give you an idea of your dominant personality traits and how they may influence your behaviors.

Psychodynamic Theories

Psychodynamic theories of personality are heavily influenced by the work of Sigmund Freud and emphasize the influence of the unconscious  mind on personality. Psychodynamic theories include Sigmund Freud’s psychosexual stage theory and Erik Erikson’s stages of psychosocial development .

Behavioral Theories

Behavioral theories suggest that personality is a result of interaction between the individual and the environment. Behavioral theorists study observable and measurable behaviors, often ignoring the role of internal thoughts and feelings. Behavioral theorists include B.F. Skinner and John B. Watson .

Humanist theories emphasize the importance of free will and individual experience in developing ​a personality. Humanist theorists include Carl Rogers and Abraham Maslow .

Research on personality can yield fascinating insights into how personality develops and changes over the course of a lifetime. This research can also have important practical applications in the real world.

For example, people can use a personality assessment (also called a personality test or personality quiz) to learn more about themselves and their unique strengths, weaknesses, and preferences. Some assessments might look at how people rank on specific traits, such as whether they are high in extroversion , conscientiousness, or openness.

Other assessments might measure how specific aspects of personality change over time. Some assessments give people insight into how their personality affects many areas of their lives, including career, relationships, personal growth, and more.

Understanding your personality type can help you determine what career you might enjoy, how well you might perform in certain job roles, or how effective a form of psychotherapy could be for you.

Personality type can also have an impact on your health, including how often you visit the doctor and how you cope with stress. Researchers have found that certain personality characteristics may be linked to illness and health behaviors.

While personality determines what you think and how you behave, personality disorders are marked by thoughts and behavior that are disruptive and distressing in everyday life. Someone with a personality disorder may have trouble recognizing their condition because their symptoms are ingrained in their personality.

Personality disorders include paranoid personality disorder , schizoid personality disorder , antisocial personality disorder , borderline personality disorder (BPD), and narcissistic personality disorder (NPD).

While the symptoms of personality disorders vary based on the condition, some common signs include:

• Aggressive behavior
• Delusional thinking
• Distrust of others
• Flat emotions (no emotional range)
• Lack of interest in relationships
• Violating others' boundaries

Some people with BPD experience suicidal thoughts or behavior as well.

If you are having suicidal thoughts, contact the  National Suicide Prevention Lifeline  at  988  for support and assistance from a trained counselor. If you or a loved one are in immediate danger, call 911. 

For more mental health resources, see our  National Helpline Database .

If you are concerned that elements of your personality are contributing to stress, anxiety, confusion, or depression, it's important to talk to a doctor or mental health professional. They can help you understand any underlying conditions you may have.

It is often challenging to live with a personality disorder, but there are treatment options such as therapy and medication that can help.

Understanding the psychology of personality is much more than simply an academic exercise. The findings from personality research can have important applications in the world of medicine, health, business, economics, technology, among others. By building a better understanding of how personality works, we can look for new ways to improve both personal and public health.

The Myers & Briggs Foundation.  MBTI basics .

Bornstein RF. Personality assessment in the diagnostic manuals: On mindfulness, multiple methods, and test score discontinuities .  J Pers Assess . 2015;97(5):446-455. doi:10.1080/00223891.2015.1027346

Srivastava K, Das RC. Personality and health: Road to well-being .  Ind Psychiatry J . 2015;24(1):1–4. doi:10.4103/0972-6748.160905

Mayo Clinic. Personality disorders .

Carducci BJ. The Psychology of Personality: Viewpoints, Research, and Applications . Wiley Blackwell. 

John OP, Robins RW, Pervin LA. Handbook of Personality: Theory and Research . Guilford Press.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

How to Write an Essay About My Personality

Who are you? Why are you here? What is your purpose in life? These are just a few of the existential questions that plague humans on a daily basis. As you get older, these themes will develop into much more complex questions, even prompting you to write an essay about your personality.

• What are personality essays?

Importance of Personality Essays

How to get the best essay about my personality, catchy titles for personality related essays, how to start an essay about my personality, tips on writing a personality essay introduction, writing body paragraphs, how to write a conclusion for my personality essays, finalizing essay.

• Proofreading

Making Citations

Short example of a college essay about my personality, what are personality essays.

No two people can have the same attitudes, nature, preferences, and traits. However, it is convenient to categorize people into personality types depending on the shared characteristics. When you write to describe your personality essay, you are letting the audience see you in the true light. You are explaining how you are and why you are that certain way. By giving examples from your life experience, you back up the claim you make.

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A personality essay can be quite useful. Not only for the readers to understand you better but also for your own sake. You get the opportunity to reflect upon yourself and figure out what your comfort zone is and how you tackle routine and non-routine challenges. The different types can help you understand what your personality is in the true sense. You can be an introvert or an extrovert, a rational person, or somebody who is influenced heavily by emotions. There are different categories, and you can be a combination of many.

Here is a list of options you can avail for the title of your personality essays:

• Everything there is to know about me
• A reflection of my personality
• My personality traits
• What is my personality?
• A glance at my personality highlights
• My antisocial personality
• Narcissistic personality traits
• Contributors of an avoidant personality
• Self-awareness: A major part of my personality
• Feelings vs. Thinking
• My protagonist personality

Have you set up your study desk and ready to type away? Hold on, there is another step that some people might consider optional, but you should not. Never dive straight into the writing process without proper planning. Planning here refers to making an effective outline. Here is how:

• Outline writing

A good personality essay starts with a great outline. Not sure what to include in it? Let’s find out!

• A catchy topic

If you are writing a literary piece all about yourself, you must make sure the person on the reading end is intrigued enough to go through it. Select an attention-grabbing title.

• A precise yet enlightening introduction

What does this mean? Introduce yourself. While writing the first part of your personality essay, completely avoid prolonging sentences and using redundant content. Keep this crisp, light, and it should be written so that the audience understands where this essay is headed.

• Gripping main body paragraphs

This section would include the central 3-4 ideas that you will be introducing in your essay. Write down the aspects that you will cover about yourself.

• A memorable conclusion

It again does not have to be lengthy but has to reinforce the main idea about your personality essay.

After you have written your outline, it is time to write your personality essay introduction. Remember, a fascinating introduction will leave a first good impression on the readers and will be a deciding factor for them to decide whether to move forward or skim through. How can you nail this part? Follow the tips below:

• Do not exceed more than five lines when writing the introduction
• Use a hook to grab attention
• Give a brief description of yourself and what makes you unique
• Set a light mood

What is your personality essay? A piece of writing explaining your behaviors, choices, and preferences. Body paragraphs make a major chunk of your essay. It will give the readers a deeper insight into you and your personality traits. Make sure to follow the given instructions:

• Three-body paragraphs are more than enough
• Introduce a new point in each paragraph
• Give examples of real-life experiences to support your claim
• This essay should not be very lengthy or can bore the readers
• Use transition words like firstly, furthermore, likewise, similarly, to sum it up, in conclusion

It will be the last section of your essay. If you ace this part, you are bound to leave a lasting impression on others. You should want your personality essay to be memorable, and for that, practice the tips below:

• Make this no longer than five sentences
• Do not introduce a new idea here
• Reinstate the purpose of your essay
• Do not end abruptly

Are you done with the writing part? Do you feel ready to turn it in? Hold on. Why not take your essay to perfection? Add the last finishing touches to make sure your work is flawless.

Revising Essay

Do not think for a second that you can write an error-free essay in the first attempt. Not if you are a beginner and still not if you are a professional. A valuable piece of advice is to go back to the very start and read between the lines to identify structural or organizational errors.

Proofreading Essay

It is to tackle the surface errors that you might have made while writing. These include spelling errors, typos, punctuation, or grammatical mistakes. You can also take help from editing platforms like Grammarly. Another useful tip is to ask a fresh pair of eyes to review your work before submission.

If this is required, ensure that you are citing the references that you have used. Do this at the very end of your personality essay. Depending on the formatting style, please do not skip this step, leading to score reduction. It can be a little challenging for some people. If you are one of these people, consider taking professional help from essay writing services.

Looking for an ideal personality essay example? Here is one:

An open book

My Name Is Kim Ross. I believe that terms like bubbly, outgoing, funny, friendly, and lively describe me well. Why? Come by my house anytime; chances are, you will not find me there. I might be hanging out on the beach with my buddies or at a bar, enjoying a couple of drinks and dancing like there is no one watching. What makes me unique? Let’s find out.

I have immense compassion for animals. I started horse riding back in grade five, and since then, I have known how much I love spending time with these majestic creatures. Thanks to my father, I have always had an interest in birds too. It is why you will find all sorts of them hanging out in my garden area. I have chickens, ducks, parrots, and doves. For the love of these animals, I have managed to start a foundation at school, which helps me raise funds for the nearest animal rescue organization. It also provides me with an opportunity to bond with different people.

When I say funny, I do not mean to brag, but you will always find my friends smiling and chuckling beside me. I have a couple of jokes up my sleeve which I bring out to play from time to time to lighten the mood. I think my laugh is funnier than the jokes I make, so maybe that cracks up the people listening.

When it comes to decision-making, I would say I am not very proud of my strategy. Well, there is no strategy, and that is the issue. I can be quite impulsive, especially when I am excited, which makes several of my decisions not ideal. Just an example, one time, I was chilling at a poolside with my friends. Keep in mind that I have never had swimming classes and I know nothing about it. I saw my friends climbing up the jump board and diving in. I thought it was pretty fun, and I recklessly followed their lead and tried to replicate them. The next thing I know, I was deep underwater, trying to float to the surface, but I kept failing at it. I passed out. When I woke up, I was on a hospital bed with my family surrounding me. I was informed that I got water in my lungs which had to be removed. I knew I could not swim, I was also aware that the pool was very deep, but just for fun, I went ahead with the stupid idea. Anyways, back to my point, I need to be a little more rational.

With all of this said, you now know a lot about me. I consider myself an open book, so I am sharing important details about my life with you without a worry in the world. I live by the rule that everybody should accept me for who I am. Otherwise, they are not someone worth keeping in your life. Maybe this is why I am content with where I am today.

Buy Pre-written Essay Examples on About the Topic.

One option is to purchase off-the-shelf essays as per your liking. There are several online websites that you can use for this. One such credible platform is EssayZoo. It is a great way to learn from the best in the field.

Use EduJungles To Write Your Essay from A Scratch.

When it comes to writing a personality essay, it is better to start from scratch and not purchase a pre-written paper. It would help if you had this essay very tailored to your traits. Hence, you are recommended to use same day essay writing service of Edu Jungles to write my essay today. Provide a very clear set of instructions for best results.

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My Personality Essay | Sample Essay on My Personality for Students and Children in English

June 23, 2021 by Prasanna

My Personality Essay: The personality of a person is the reflection of their good and bad habits. One should always develop good habits in himself/herself and avoid the bad ones. These habits make the personality of one person different from another. Your personality is what your character is. It comprises various trademark qualities and propensities which help me make a fair person. Certain parts of our personality are acceptable while there are other negative sides too. Notwithstanding, coming up next are the better parts of our character.

Knowing your personality characteristics and the capacity to portray them in a composed structure will help you in all parts of your life – from your first day in school until your last work. For example, one pragmatic use of such articles is to dazzle recruiting chiefs with your introductory letter and prospective employee meetings. Having the option to answer the “enlighten me concerning yourself” inquiry appropriately not just empowers you to respond to inquiries and clarify why you fit the expected set of responsibilities impeccably yet additionally assists you with exploring through your work-life and associations with your colleagues.

You can read more  Essay Writing  about articles, events, people, sports, technology many more.

Sample Essay on My Personality

Personality is one viewpoint that we as a whole are being dissected on. personality characterizes what our identity is and what we are. A few groups have extraordinary characters, while others might not have that satisfying and engaging character. We should continually have a decent personality to be a superior individual.

Personality lies in numerous things that we convey in ourselves. The manner in which we dress, the language we talk, how we act with others, our mentality, etc. The most significant of everything is the manner by which we handle a circumstance, utilizing legitimate cerebrums and thinking great. When in an emergency, as opposed to hopping into ends, one ought to consistently be prudent and think rapidly and admirably and afterward act in a like manner. This load includes as a part of our character.

Another significant factor is the way merry you are. We all really like to be in the organization of glad and bright individuals, similarly, individuals likewise anticipate something similar from us. Maybe then being miserable and ill-humored, when one is lively and tells wisecracks when in a group, they would be valued and acknowledged a lot quicker than the individuals who don’t end up falling in here.

Personality fundamentally duplicates what we have inside us. The attributes that one obtains throughout some stretch of time, fosters our character. The personality of one individual depends on a few elements. A few attributes are inherent, while others are acquired and some others actually being noticed, learned and joined while reaching out to others and circumstances around. In spite of the fact that a few characters are given to us as a gift, we reserve the privilege to sustain it and foster it for the advancement of ourselves and this would consequently reflect in our great personality as well.

One must be consistently satisfactory, presentable and sharp engaged in musings and acts, to be acknowledged and adored by all and to be in control of an individual with incredible character. Personality simply doesn’t occur incidentally, one necessity to have incredible devotion and pursue to foster societies and routines that would help in developing one’s character.

My Personality Small Paragraphs

Everybody has one, yet no two people groups characters are something very similar. Personality is for the most part what your identity is and the fundamental characteristics and convictions that an individual has. The word reference definition for Personality is A: The Sum complete of the physical, mental, passionate, and social attributes of a person. B: The coordinated example of conduct attributes of the person. A person’s personality is the manner by which he finds a way into society. Nobody has a similar personality to another. He may have comparative characteristics yet never can their characters be by and large something similar.

Personality consists of three sections: Biological Influence, Psychological Influence, and Social Influence. A people’s Biological Influence consists of somebody’s hereditarily decided demeanor and the autonomic sensory system and his mind action. Mental Influences are a person’s learned reactions, his oblivious perspectives and his hopeful or cynical perspective. The Social-Cultural impacts consist of youth encounters and people’s social assumptions and social help. As the year’s pass, life gets an ever-increasing number of confounded, particularly the adolescent years. Everybody’s characters are continually changing, which is normal due to the progressions that they carry on with throughout everyday life. Something that happens to them may change the manner in which they consider that circumstance for eternity.

FAQ’s on My Personality Essay

Question 1. How to write an essay on personality?

Answer: In the event that the exposition is about you, meet your loved ones about your character. Compose the blueprint for your exposition. Your presentation ought to clarify who you are expounding on and why you decided to zero in on that individual. The presentation ought to likewise diagram the central matters of your article.

Question 2. How to describe our personality?

Answer: Personality accepts states of mind, perspectives, and feelings and is most obviously communicated in associations with others. It incorporates conduct attributes, both intrinsic and gained, that recognize one individual from another and that can be seen in individuals’ relations to the climate and to the gathering of people.

Question 3. What is the best way to improve your personality?

• Be a superior audience
• Understand more and extend your inclinations
• Be a decent conversationalist
• Make decisions
• Meet New People
• Act naturally
• Have an inspirational perspective and demeanor
• Be fun and see the diverting side of life
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Personality types revisited–a literature-informed and data-driven approach to an integration of prototypical and dimensional constructs of personality description

André kerber.

1 Department of Psychology, Freie Universität Berlin, Berlin, Germany

Marcus Roth

2 Department of Psychology, University of Duisburg-Essen, Duisburg Germany

Philipp Yorck Herzberg

3 Personality Psychology and Psychological Assessment Unit, Helmut Schmidt University of the Federal Armed Forces Hamburg, Hamburg, Germany

Associated Data

The data used in this article were made available by the German Socio-Economic Panel (SOEP, Data for years 1984-2015) at the German Institute for Economic Research, Berlin, Germany. To ensure the confidentiality of respondents’ information, the SOEP adheres to strict security standards in the provision of SOEP data. The data are reserved exclusively for research use, that is, they are provided only to the scientific community. To require full access to the data used in this study, it is required to sign a data distribution contract. All contact informations and the procedure to request the data can be obtained at: https://www.diw.de/en/diw_02.c.222829.en/access_and_ordering.html .

A new algorithmic approach to personality prototyping based on Big Five traits was applied to a large representative and longitudinal German dataset (N = 22,820) including behavior, personality and health correlates. We applied three different clustering techniques, latent profile analysis, the k-means method and spectral clustering algorithms. The resulting cluster centers, i.e. the personality prototypes, were evaluated using a large number of internal and external validity criteria including health, locus of control, self-esteem, impulsivity, risk-taking and wellbeing. The best-fitting prototypical personality profiles were labeled according to their Euclidean distances to averaged personality type profiles identified in a review of previous studies on personality types. This procedure yielded a five-cluster solution: resilient, overcontroller, undercontroller, reserved and vulnerable-resilient. Reliability and construct validity could be confirmed. We discuss wether personality types could comprise a bridge between personality and clinical psychology as well as between developmental psychology and resilience research.

Introduction

Although documented theories about personality types reach back more than 2000 years (i.e. Hippocrates’ humoral pathology), and stereotypes for describing human personality are also widely used in everyday psychology, the descriptive and variable-oriented assessment of personality, i.e. the description of personality on five or six trait domains, has nowadays consolidated its position in modern personality psychology.

In recent years, however, the person-oriented approach, i.e. the description of an individual personality by its similarity to frequently occurring prototypical expressions, has amended the variable-oriented approach with the addition of valuable insights into the description of personality and the prediction of behavior. Focusing on the trait configurations, the person-oriented approach aims to identify personality types that share the same typical personality profile [ 1 ].

Nevertheless, the direct comparison of the utility of person-oriented vs. variable-oriented approaches to personality description yielded mixed results. For example Costa, Herbst, McCrae, Samuels and Ozer [ 2 ] found a higher amount of explained variance in predicting global functioning, geriatric depression or personality disorders for the variable-centered approach using Big Five personality dimensions. But these results also reflect a methodological caveat of this approach, as the categorical simplification of dimensionally assessed variables logically explains less variance. Despite this, the person-centered approach was found to heighten the predictability of a person’s behavior [ 3 , 4 ] or the development of adolescents in terms of internalizing and externalizing symptoms or academic success [ 5 , 6 ], problem behavior, delinquency and depression [ 7 ] or anxiety symptoms [ 8 ], as well as stress responses [ 9 ] and social attitudes [ 10 ]. It has also led to new insights into the function of personality in the context of other constructs such as adjustment [ 2 ], coping behavior [ 11 ], behavioral activation and inhibition [ 12 ], subjective and objective health [ 13 ] or political orientation [ 14 ], and has greater predictive power in explaining longitudinally measured individual differences in more temperamental outcomes such as aggressiveness [ 15 ].

However, there is an ongoing debate about the appropriate number and characteristics of personality prototypes and whether they perhaps constitute an methodological artifact [ 16 ].

With the present paper, we would like to make a substantial contribution to this debate. In the following, we first provide a short review of the personality type literature to identify personality types that were frequently replicated and calculate averaged prototypical profiles based on these previous findings. We then apply multiple clustering algorithms on a large German dataset and use those prototypical profiles generated in the first step to match the results of our cluster analysis to previously found personality types by their Euclidean distance in the 5-dimensional space defined by the Big Five traits. This procedure allows us to reliably link the personality prototypes found in our study to previous empirical evidence, an important analysis step lacking in most previous studies on this topic.

The empirical ground of personality types

The early studies applying modern psychological statistics to investigate personality types worked with the Q-sort procedure [ 1 , 15 , 17 ], and differed in the number of Q-factors. With the Q-Sort method, statements about a target person must be brought in an order depending on how characteristic they are for this person. Based on this Q-Sort data, prototypes can be generated using Q-Factor Analysis, also called inverse factor analysis. As inverse factor analysis is basically interchanging variables and persons in the data matrix, the resulting factors of a Q-factor analysis are prototypical personality profiles and not hypothetical or latent variable dimensions. On this basis, personality types (groups of people with similar personalities) can be formed in a second step by assigning each person to the prototype with whose profile his or her profile correlates most closely. All of these early studies determined at least three prototypes, which were labeled resilient, overcontroler and undercontroler grounded in Block`s theory of ego-control and ego-resiliency [ 18 ]. According to Jack and Jeanne Block’s decade long research, individuals high in ego-control (i.e. the overcontroler type) tend to appear constrained and inhibited in their actions and emotional expressivity. They may have difficulty making decisions and thus be non-impulsive or unnecessarily deny themselves pleasure or gratification. Children classified with this type in the studies by Block tend towards internalizing behavior. Individuals low in ego-control (i.e. the undercontroler type), on the other hand, are characterized by higher expressivity, a limited ability to delay gratification, being relatively unattached to social standards or customs, and having a higher propensity to risky behavior. Children classified with this type in the studies by Block tend towards externalizing behavior.

Individuals high in Ego-resiliency (i.e. the resilient type) are postulated to be able to resourcefully adapt to changing situations and circumstances, to tend to show a diverse repertoire of behavioral reactions and to be able to have a good and objective representation of the “goodness of fit” of their behavior to the situations/people they encounter. This good adjustment may result in high levels of self-confidence and a higher possibility to experience positive affect.

Another widely used approach to find prototypes within a dataset is cluster analysis. In the field of personality type research, one of the first studies based on this method was conducted by Caspi and Silva [ 19 ], who applied the SPSS Quick Cluster algorithm to behavioral ratings of 3-year-olds, yielding five prototypes: undercontrolled, inhibited, confident, reserved, and well-adjusted.

While the inhibited type was quite similar to Block`s overcontrolled type [ 18 ] and the well-adjusted type was very similar to the resilient type, two further prototypes were added: confident and reserved. The confident type was described as easy and responsive in social interaction, eager to do exercises and as having no or few problems to be separated from the parents. The reserved type showed shyness and discomfort in test situations but without decreased reaction speed compared to the inhibited type. In a follow-up measurement as part of the Dunedin Study in 2003 [ 20 ], the children who were classified into one of the five types at age 3 were administered the MPQ at age 26, including the assessment of their individual Big Five profile. Well-adjusteds and confidents had almost the same profiles (below-average neuroticism and above average on all other scales except for extraversion, which was higher for the confident type); undercontrollers had low levels of openness, conscientiousness and openness to experience; reserveds and inhibiteds had below-average extraversion and openness to experience, whereas inhibiteds additionally had high levels of conscientiousness and above-average neuroticism.

Following these studies, a series of studies based on cluster analysis, using the Ward’s followed by K-means algorithm, according to Blashfield & Aldenderfer [ 21 ], on Big Five data were published. The majority of the studies examining samples with N < 1000 [ 5 , 7 , 22 – 26 ] found that three-cluster solutions, namely resilients, overcontrollers and undercontrollers, fitted the data the best. Based on internal and external fit indices, Barbaranelli [ 27 ] found that a three-cluster and a four-cluster solution were equally suitable, while Gramzow [ 28 ] found a four-cluster solution with the addition of the reserved type already published by Caspi et al. [ 19 , 20 ]. Roth and Collani [ 10 ] found that a five-cluster solution fitted the data the best. Using the method of latent profile analysis, Merz and Roesch [ 29 ] found a 3-cluster, Favini et al. [ 6 ] found a 4-cluster solution and Kinnunen et al. [ 13 ] found a 5-cluster solution to be most appropriate.

Studies examining larger samples of N > 1000 reveal a different picture. Several favor a five-cluster solution [ 30 – 34 ] while others favor three clusters [ 8 , 35 ]. Specht et al. [ 36 ] examined large German and Australian samples and found a three-cluster solution to be suitable for the German sample and a four-cluster solution to be suitable for the Australian sample. Four cluster solutions were also found to be most suitable to Australian [ 37 ] and Chinese [ 38 ] samples. In a recent publication, the authors cluster-analysed very large datasets on Big Five personality comprising more than 1,5 million online participants using Gaussian mixture models [ 39 ]. Albeit their results “provide compelling evidence, both quantitatively and qualitatively, for at least four distinct personality types”, two of the four personality types in their study had trait profiles not found previously and all four types were given labels unrelated to previous findings and theory. Another recent publication [ 40 ] cluster-analysing data of over 270,000 participants on HEXACO personality “provided evidence that a five-profile solution was optimal”. Despite limitations concerning the comparability of HEXACO trait profiles with FFM personality type profiles, the authors again decided to label their personality types unrelated to previous findings instead using agency-communion and attachment theories.

We did not include studies in this literature review, which had fewer than 199 participants or those which restricted the number of types a priori and did not use any method to compare different clustering solutions. We have made these decisions because a too low sample size increases the probability of the clustering results being artefacts. Further, a priori limitation of the clustering results to a certain number of personality types is not well reasonable on the base of previous empirical evidence and again may produce artefacts, if the a priori assumed number of clusters does not fit the data well.

To gain a better overview, we extracted all available z-scores from all samples of the above-described studies. Fig 1 shows the averaged z-scores extracted from the results of FFM clustering solutions for all personality prototypes that occurred in more than one study. The error bars represent the standard deviation of the distribution of the z-scores of the respective trait within the same personality type throughout the different studies. Taken together the resilient type was replicated in all 19 of the mentioned studies, the overcontroler type in 16, the undercontroler personality type in 17 studies, the reserved personality type was replicated in 6 different studies, the confident personality type in 4 and the non-desirable type was replicated twice.

Average Big Five z-scores of personality types based on clustering of FFM datasets with N ≥ 199 that were replicated at least once. Error bars indicate the standard deviation of the repective trait within the respective personality type found in the literature [ 5 , 6 , 10 , 22 – 25 , 27 – 31 , 33 – 36 , 38 , 39 , 41 ].

Three implications can be drawn from this figure. First, although the results of 19 studies on 26 samples with a total N of 1,560,418 were aggregated, the Big Five profiles for all types can still be clearly distinguished. In other words, personality types seem to be a phenomenon that survives the aggregation of data from different sources. Second, there are more than three replicable personality types, as there are other replicated personality types that seem to have a distinct Big Five profile, at least regarding the reserved and confident personality types. Third and lastly, the non-desirable type seems to constitute the opposite of the resilient type. Looking at two-cluster solutions on Big Five data personality types in the above-mentioned literature yields the resilient opposed to the non-desirable type. This and the fact that it was only replicated twice in the above mentioned studies points to the notion that it seems not to be a distinct type but rather a combined cluster of the over- and undercontroller personality types. Further, both studies with this type in the results did not find either the undercontroller or the overcontroller cluster or both. Taken together, five distinct personality types were consistently replicated in the literature, namely resilient, overcontroller, undercontroller, reserved and confident. However, inferring from the partly large error margin for some traits within some prototypes, not all personality traits seem to contribute evenly to the occurrence of the different prototypes. While for the overcontroler type, above average neuroticism, below average extraversion and openness seem to be distinctive, only below average conscientiousness and agreeableness seemed to be most characteristic for the undercontroler type. The reserved prototype was mostly characterized by below average openness and neuroticism with above average conscientiousness. Above average extraversion, openness and agreeableness seemed to be most distinctive for the confident type. Only for the resilient type, distinct expressions of all Big Five traits seemed to be equally significant, more precisely below average neuroticism and above average extraversion, openness, agreeableness and conscientiousness.

Research gap and novelty of this study

The cluster methods used in most of the mentioned papers were the Ward’s followed by K-means method or latent profile analysis. With the exception of Herzberg and Roth [ 30 ], Herzberg [ 33 ], Barbaranelli [ 27 ] and Steca et. al. [ 25 ], none of the studies used internal or external validity indices other than those which their respective algorithm (in most cases the SPSS software package) had already included. Gerlach et al. [ 39 ] used Gaussian mixture models in combination with density measures and likelihood measures.

The bias towards a smaller amount of clusters resulting from the utilization of just one replication index, e.g. Cohen's Kappa calculated by split-half cross-validation, which was ascertained by Breckenridge [ 42 ] and Overall & Magee [ 43 ], is probably the reason why a three-cluster solution is preferred in most studies. Herzberg and Roth [ 30 ] pointed to the study by Milligan and Cooper [ 44 ], which proved the superiority of the Rand index over Cohen's Kappa and also suggested a variety of validity metrics for internal consistency to examine the construct validity of the cluster solutions.

Only a part of the cited studies had a large representative sample of N > 2000 and none of the studies used more than one clustering algorithm. Moreover, with the exception of Herzberg and Roth [ 30 ] and Herzberg [ 33 ], none of the studies used a large variety of metrics for assessing internal and external consistency other than those provided by the respective clustering program they used. This limitation further adds up to the above mentioned bias towards smaller amounts of clusters although the field of cluster analysis and algorithms has developed a vast amount of internal and external validity algorithms and criteria to tackle this issue. Further, most of the studies had few or no other assessments or constructs than the Big Five to assess construct validity of the resulting personality types. Herzberg and Roth [ 30 ] and Herzberg [ 33 ] as well, though using a diverse variety of validity criteria only used one clustering algorithm on a medium-sized dataset with N < 2000.

Most of these limitations also apply to the study by Specht et. al. [ 36 ], which investigated two measurement occasions of the Big Five traits in the SOEP data sample. They used only one clustering algorithm (latent profile analysis), no other algorithmic validity criteria than the Bayesian information criterion and did not utilize any of the external constructs also assessed in the SOEP sample, such as mental health, locus of control or risk propensity for construct validation.

The largest sample and most advanced clustering algorithm was used in the recent study by Gerlach et al. [ 39 ]. But they also used only one clustering algorithm, and had no other variables except Big Five trait data to assess construct validity of the resulting personality types.

The aim of the present study was therefore to combine different methodological approaches while rectifying the shortcomings in several of the studies mentioned above in order to answer the following exploratory research questions: Are there replicable personality types, and if so, how many types are appropriate and in which constellations are they more (or less) useful than simple Big Five dimensions in the prediction of related constructs?

Three conceptually different clustering algorithms were used on a large representative dataset. The different solutions of the different clustering algorithms were compared using methodologically different internal and external validity criteria, in addition to those already used by the respective clustering algorithm.

To further examine the construct validity of the resulting personality types, their predictive validity in relation to physical and mental health, wellbeing, locus of control, self-esteem, impulsivity, risk-taking and patience were assessed.

Mental health and wellbeing seem to be associated mostly with neuroticism on the variable-oriented level [ 45 ], but on a person-oriented level, there seem to be large differences between the resilient and the overcontrolled personality type concerning perceived health and well-being beyond mean differences in neuroticism [ 33 ]. This seems also to be the case for locus of control and self-esteem, which is associated with neuroticism [ 46 ] and significantly differs between resilient and overcontrolled personality type [ 33 ]. On the other hand, impulsivity and risk taking seem to be associated with all five personality traits [ 47 ] and e.g. risky driving or sexual behavior seem to occur more often in the undercontrolled personality type [ 33 , 48 ].

We chose these measures because of their empirically known differential associations to Big Five traits as well as to the above described personality types. So this both offers the opportunity to have an integrative comparison of the variable- and person-centered descriptions of personality and to assess construct validity of the personality types resulting from our analyses.

Materials and methods

The acquisition of the data this study bases on was carried out in accordance with the principles of the Basel Declaration and recommendations of the “Principles of Ethical Research and Procedures for Dealing with Scientific Misconduct at DIW Berlin”. The protocol was approved by the Deutsches Institut für Wirtschaftsforschung (DIW).

The data used in this study were provided by the German Socio-Economic Panel Study (SOEP) of the German institute for economic research [ 49 ]. Sample characteristics are shown in Table 1 . The overall sample size of the SOEP data used in this study, comprising all individuals who answered at least one of the Big-Five personality items in 2005 and 2009, was 25,821. Excluding all members with more than one missing answers on the Big Five assessment or intradimensional answer variance more than four times higher than the sample average resulted in a total Big Five sample of N = 22,820, which was used for the cluster analyses. 14,048 of these individuals completed, in addition to the Big Five, items relevant to further constructs examined in this study that were assessed in other years. The 2013 SOEP data Big Five assessment was used as a test sample to examine stability and consistency of the final cluster solution.

Exclusion of participants in the derivation and test samples based on missing answers or intradimensional answer variance more than four times higher than the sample average on the Big Five assessment. Longitudinal construct validity sample consistent of participants with available data on assessments of patience, risk taking, impulsivity, affective and cognitive wellbeing, locus of control, self-esteem and health. SOEP = German Socio-Economic Panel, M = mean, SD = standard deviation, Rg = Range, F = female.

The Big Five were assessed in 2005 2009 and 2013 using the short version of the Big Five inventory (BFI-S). It consists of 15 items, with internal consistencies (Cronbach’s alpha) of the scales ranging from .5 for openness to .73 for openness [ 50 ]. Further explorations showed strong robustness across different assessment methods [ 51 ].

To measure the predictive validity, several other measures assessed in the SOEP were included in the analyses. In detail, these were:

Patience was assessed in 2008 with one item: “Are you generally an impatient person, or someone who always shows great patience?”

Risk taking

Risk-taking propensity was assessed in 2009 by six items asking about the willingness to take risks while driving, in financial matters, in leisure and sports, in one’s occupation (career), in trusting unknown people and the willingness to take health risks, using a scale from 0 (risk aversion) to 10 (fully prepared to take risks). Cronbach’s alpha was .82 for this scale in the current sample.

Impulsivity/Spontaneity

Impulsivity/spontaneity was assessed in 2008 with one item: Do you generally think things over for a long time before acting–in other words, are you not impulsive at all? Or do you generally act without thinking things over for long time–in other words, are you very impulsive?

Affective and cognitive wellbeing

Affect was assessed in 2008 by four items asking about the amount of anxiety, anger, happiness or sadness experienced in the last four weeks on a scale from 1 (very rare) to 5 (very often). Cronbach’s alpha for this scale was .66. The cognitive satisfaction with life was assessed by 10 items asking about satisfaction with work, health, sleep, income, leisure time, household income, household duties, family life, education and housing, with a Cronbach’s alpha of .67. The distinction between cognitive and affective wellbeing stems from sociological research based on constructs by Schimmack et al. [ 50 ].

Locus of control

The individual attitude concerning the locus of control, the degree to which people believe in having control over the outcome of events in their lives opposed to being exposed to external forces beyond their control, was assessed in 2010 with 10 items, comprising four positively worded items such as “My life’s course depends on me” and six negatively worded items such as “Others make the crucial decisions in my life”. Items were rated on a 7-point scale ranging from “does not apply” to “does apply”. Cronbach’s alpha in the present sample for locus of control was .57.

Self-esteem

Global self-esteem–a person’s overall evaluation or appraisal of his or her worth–was measured in 2010 with one item: “To what degree does the following statement apply to you personally?: I have a positive attitude toward myself”.

To assess subjective health, the 12-Item Short Form Health Survey (SF-12) was integrated into the SOEP questionnaire and assessed in 2002, 2004, 2006, 2008 and 2010. In the present study, we used the data from 2008 and 2010. The SF-12 is a short form of the SF-36, a self-report questionnaire to assess the non-disease-specific health status [ 52 ]. Within the SF-12, items can be grouped onto two subscales, namely the physical component summary scale, with items asking about physical health correlates such as how exhausting it is to climb stairs, and the mental component summary scale, with items asking about mental health correlates such as feeling sad and blue. The literature on health measures often distinguishes between subjective and objective health measures (e.g., BMI, blood pressure). From this perspective, the SF-12 would count as a subjective health measure. In the present sample, Cronbach’s alpha for the SF-12 items was .77.

Derivation of the prototypes

The first step was to administer three different clustering methods on the Big Five data of the SOEP sample: First, the conventional linear clustering method used by Asendorpf [ 15 , 35 , 53 ] and also Herzberg and Roth [ 30 ] combines the hierarchical clustering method of Ward [ 54 ] with the k-means algorithm [ 55 ]. This algorithm generates a first guess of personality types based on hierarchical clustering, and then uses this first guess as starting points for the k-means-method, which iteratively adjusts the personality profiles, i.e. the cluster means to minimize the error of allocation, i.e. participants with Big Five profiles that are allocated to two or more personality types. The second algorithm we used was latent profile analysis with Mclust in R [ 56 ], an algorithm based on probabilistic finite mixture modeling, which assumes that there are latent classes/profiles/mixture components underlying the manifest observed variables. This algorithm generates personality profiles and iteratively calculates the probability of every participant in the data to be allocated to one of the personality types and tries to minimize an error term using maximum likelihood method. The third algorithm was spectral clustering, an algorithm which initially computes eigenvectors of graph Laplacians of the similarity graph constructed on the input data to discover the number of connected components in the graph, and then uses the k-means algorithm on the eigenvectors transposed in a k-dimensional space to compute the desired k clusters [ 57 ]. As it is an approach similar to the kernel k-means algorithm [ 58 ], spectral clustering can discover non-linearly separable cluster formations. Thus, this algorithm is able, in contrast to the standard k-means procedure, to discover personality types having unequal or non-linear distributions within the Big-Five traits, e.g. having a small SD on neuroticism while having a larger SD on conscientiousness or a personality type having high extraversion and either high or low agreeableness.

Within the last 50 years, a large variety of clustering algorithms have been established, and several attempts have been made to group them. In their book about cluster analysis, Bacher et al. [ 59 ] group cluster algorithms into incomplete clustering algorithms, e.g. Q-Sort or multidimensional scaling, deterministic clustering, e.g. k-means or nearest-neighbor algorithms, and probabilistic clustering, e.g. latent class and latent profile analysis. According to Jain [ 60 ], cluster algorithms can be grouped by their objective function, probabilistic generative models and heuristics. In his overview of the current landscape of clustering, he begins with the group of density-based algorithms with linear similarity functions, e.g. DBSCAN, or probabilistic models of density functions, e.g. in the expectation-maximation (EM) algorithm. The EM algorithm itself also belongs to the large group of clustering algorithms with an information theoretic formulation. Another large group according to Jain is graph theoretic clustering, which includes several variants of spectral clustering. Despite the fact that it is now 50 years old, Jain states that k-means is still a good general-purpose algorithm that can provide reasonable clustering results.

The clustering algorithms chosen for the current study are therefore representatives of the deterministic vs. probabilistic grouping according to Bacher et. al. [ 59 ], as well as representatives of the density-based, information theoretic and graph theoretic grouping according to Jain [ 60 ].

Determining the number of clusters

There are two principle ways to determine cluster validity: external or relative criteria and internal validity indices.

External validity criteria

External validity criteria measure the extent to which cluster labels match externally supplied class labels. If these external class labels originate from another clustering algorithm used on the same data sample, the resulting value of the external cluster validity index is relative. Another method, which is used in the majority of the cited papers in section 1, is to randomly split the data in two halves, apply a clustering algorithm on both halves, calculate the cluster means and allocate members of one half to the calculated clusters of the opposite half by choosing the cluster mean with the shortest Euclidean distance to the data member in charge. If the cluster algorithm allocation of one half is then compared with the shortest Euclidean distance allocation of the same half by means of an external cluster validity index, this results in a value for the reliability of the clustering method on the data sample.

As allocating data points/members by Euclidean distances always yields spherical and evenly shaped clusters, it will favor clustering methods that also yield spherical and evenly shaped clusters, as it is the case with standard k-means. The cluster solutions obtained with spectral clustering as well as latent profile analysis (LPA) are not (necessarily) spherical or evenly shaped; thus, allocating members of a dataset by their Euclidean distances to cluster means found by LPA or spectral clustering does not reliably represent the structure of the found cluster solution. This is apparent in Cohen’s kappa values <1 if one uses the Euclidean external cluster assignment method comparing a spectral cluster solution with itself. Though by definition, Cohen’s kappa should be 1 if the two ratings/assignments compared are identical, which is the case when comparing a cluster solution (assigning every data point to a cluster) with itself. This problem can be bypassed by allocating the members of the test dataset to the respective clusters by training a support vector machine classifier for each cluster. Support vector machines (SVM) are algorithms to construct non-linear “hyperplanes” to classify data given their class membership [ 61 ]. They can be used very well to categorize members of a dataset by an SVM-classifier trained on a different dataset. Following the rationale not to disadvantage LPA and spectral clustering in the calculation of the external validity, we used an SVM classifier to calculate the external validity criteria for all clustering algorithms in this study.

To account for the above mentioned bias to smaller numbers of clusters we applied three external validity criteria: Cohen’s kappa, the Rand index [ 62 ] and the Hubert-Arabie adjusted Rand index [ 63 ].

Internal validity criteria

Again, to account for the bias to smaller numbers of clusters, we also applied multiple internal validity criteria selected in line with the the following reasoning: According to Lam and Yan [ 64 ], the internal validity criteria fall into three classes: Class one includes cost-function-based indices, e.g. AIC or BIC [ 65 ], whereas class two comprises cluster-density-based indices, e.g. the S_Dbw index [ 66 ]. Class three is grounded on geometric assumptions concerning the ratio of the distances within clusters compared to the distances between the clusters. This class has the most members, which differ in their underlying mathematics. One way of assessing geometric cluster properties is to calculate the within- and/or between-group scatter, which both rely on summing up distances of the data points to their barycenters (cluster means). As already explained in the section on external criteria, calculating distances to cluster means will always favor spherical and evenly shaped cluster solutions without noise, i.e. personality types with equal and linear distributions on the Big Five trait dimensions, which one will rarely encounter with natural data.

Another way not solely relying on distances to barycenters or cluster means is to calculate directly with the ratio of distances of the data points within-cluster and between-cluster. According to Desgraupes [ 67 ], this applies to the following indices: the C-index, the Baker & Hubert Gamma index, the G(+) index, Dunn and Generalized Dunn indices, the McClain-Rao index, the Point-Biserial index and the Silhouette index. As the Gamma and G(+) indices rely on the same mathematical construct, one can declare them as redundant. According to Bezdek [ 68 ], the Dunn index is very sensitive to noise, even if there are only very few outliers in the data. Instead, the authors propose several ways to compute a Generalized Dunn index, some of which also rely on the calculation of barycenters. The best-performing GDI algorithm outlined by Bezdek and Pal [ 68 ] which does not make use of cluster barycenters is a ratio of the mean distance of every point between clusters to the maximum distance between points within the cluster, henceforth called GDI31. According to Vendramin et al. [ 69 ], the Gamma, C-, and Silhouette indices are the best-performing (over 80% correct hit rate), while the worst-performing are the Point-Biserial and the McClain-Rao indices (73% and 51% correct hit rate, respectively).

Fig 2 shows a schematic overview of the procedure we used to determine the personality types Big Five profiles, i.e. the cluster centers. To determine the best fitting cluster solution, we adopted the two-step procedure proposed by Blashfield and Aldenfelder [ 21 ] and subsequently used by Asendorpf [ 15 , 35 , 53 ] Boehm [ 41 ], Schnabel [ 24 ], Gramzow [ 28 ], and Herzberg and Roth [ 30 ], with a few adjustments concerning the clustering algorithms and the validity criteria.

LPA = latent profile analysis, SVM = Support Vector Machine.

First, we drew 20 random samples of the full sample comprising all individuals who answered the Big-Five personality items in 2005 and 2009 with N = 22,820 and split every sample randomly into two halves. Second, all three clustering algorithms described above were performed on each half, saving the 3-, 4-,…,9- and 10-cluster solution. Third, participants of each half were reclassified based on the clustering of the other half of the same sample, again for every clustering algorithm and for all cluster solutions from three to 10 clusters. In contrast to Asendorpf [ 35 ], this was implemented not by calculating Euclidean distances, but by training a support vector machine classifier for every cluster of a cluster solution of one half-sample and reclassifying the members of the other half of the same sample by the SVM classifier. The advantages of this method are explained in the section on external criteria. This resulted in 20 samples x 2 halves per sample x 8 cluster solutions x 3 clustering algorithms, equaling 960 clustering solutions to be compared.

The fourth step was to compute the external criteria comparing each Ward followed by k-means, spectral, or probabilistic clustering solution of each half-sample to the clustering by the SVM classifier trained on the opposite half of the same sample, respectively. The external calculated in this step were Cohen's kappa, Rand’s index [ 62 ] and the Hubert & Arabie adjusted Rand index [ 63 ]. The fifth step consisted of averaging: We first averaged the external criteria values per sample (one value for each half), and then averaged the 20x4 external criteria values for each of the 3-,4-…, 10-cluster solutions for each algorithm.

The sixth step was to temporarily average the external criteria values for the 3-,4-,… 10-cluster solution over the three clustering algorithms and discard the cluster solutions that had a total average kappa below 0.6.

As proposed by Herzberg and Roth [ 30 ], we then calculated several internal cluster validity indices for all remaining cluster solutions. The internal validity indices which we used were, in particular, the C-index [ 70 ], the Baker-Hubert Gamma index [ 71 ], the G + index [ 72 ], the Generalized Dunn index 31 [ 68 ], the Point-Biserial index [ 44 ], the Silhouette index [ 73 ], AIC and BIC [ 65 ] and the S_Dbw index [ 66 ]. Using all of these criteria, it is possible to determine the best clustering solution in a mathematical/algorithmic manner.

The resulting clusters where then assigned names by calculating Euclidean distances to the clusters/personality types found in the literature, taking the nearest type within the 5-dimensional space defined by the respective Big Five values.

To examine the stability and consistency of the final cluster solution, in a last step, we then used the 2013 SOEP data sample to calculate a cluster solution using the algorithm and parameters which generated the solution with the best validity criteria for the 2005 and 2009 SOEP data sample. The 2013 personality prototypes were allocated to the personality types of the solution from the previous steps by their profile similarity measure D. Stability then was assessed by calculation of Rand-index, adjusted Rand-index and Cohen’s Kappa for the complete solution and for every single personality type. To generate the cluster allocations between the different cluster solutions, again we used SVM classifier as described above.

To assess the predictive and the construct validity of the resulting personality types, the inversed Euclidean distance for every participant to every personality prototype (averaged Big Five profile in one cluster) in the 5-dimensional Big-Five space was calculated and correlated with further personality, behavior and health measures mentioned above. To ensure that longitudinal reliability was assessed in this step, Big Five data assessed in 2005 were used to predict measures which where assessed three, four or five years later. The selection of participants with available data in 2005 and 2008 or later reduced the sample size in this step to N = 14,048.

Internal and external cluster fit indices

Table 2 shows the mean Cohen’s kappa values, averaged over all clustering algorithms and all 20 bootstrapped data permutations.

Each cell is an average value over 20 independent cluster computations on random data permutations; the mean value in the last row is the average over all cluster algorithms. LPA = latent profile analysis, k-Means = k-Means Clustering algorithm, Spectral = Spectral clustering algorithm.

Whereas the LPA and spectral cluster solutions seem to have better kappa values for fewer clusters, the kappa values of the k-means clustering solutions have a peak at five clusters, which is even higher than the kappa values of the three-cluster solutions of the other two algorithms.

Considering that these values are averaged over 20 independent computations, there is very low possibility that this result is an artefact. As the solutions with more than five clusters had an average kappa below .60, they were discarded in the following calculations.

Table 3 shows the calculated external and internal validity indices for the three- to five-cluster solutions, ordered by the clustering algorithm. Comparing the validity criterion values within the clustering algorithms reveals a clear preference for the five-cluster solution in the spectral as well as the Ward followed by k-means algorithm.

Best value across all solutions for each validity criterion is highlighted in yellow, best value within the respective algorithm in blue. GDI31 = Generalized Dunn Index 31, AIC = Akaike’s information criterion, BIC = Bayesian information criterion, LPA = latent profile analysis, k-Means = k-Means Clustering algorithm, Spectral = Spectral clustering algorithm.

Looking solely at the cluster validity results of the latent profile models, they seem to favor the three-cluster model. Yet, in a global comparison, only the S_Dbw index continues to favor the three-cluster LPA model, whereas the results of all other 12 validity indices support five-cluster solutions. The best clustering solution in terms of the most cluster validity index votes is the five-cluster Ward followed by k-means solution, and second best is the five-cluster spectral solution. It is particularly noteworthy that the five-cluster K-means solution has higher values on all external validity criteria than all other solutions. As these values are averaged over 20 independent cluster computations on random data permutations, and still have better values than solutions with fewer clusters despite the fact that these indices have a bias towards solutions with fewer clusters [ 42 ], there seems to be a substantial, replicable five-component structure in the Big Five Data of the German SOEP sample.

Description of the prototypes

The mean z-scores on the Big Five factors of the five-cluster k-means as well as the spectral solution are depicted in Fig 2 . Also depicted is the five-cluster LPA solution, which is, despite having poor internal and external validity values compared to the other two solutions, more complicated to interpret. To find the appropriate label for the cluster partitions, the respective mean z-scores on the Big Five factors were compared with the mean z-scores found in the literature, both visually and by the Euclidean distance.

The spectral and the Ward followed by k-means solution overlap by 81.3%; the LPA solution only overlaps with the other two solutions by 21% and 23%, respectively. As the Ward followed by k-means solution has the best values both for external and internal validity criteria, we will focus on this solution in the following.

The first cluster has low neuroticism and high values on all other scales and includes on average 14.4% of the participants (53.2% female; mean age 53.3, SD = 17.3). Although the similarity to the often replicated resilient personality type is already very clear merely by looking at the z-scores, a very strong congruence is also revealed by computing the Euclidean distance (0.61). The second cluster is mainly characterized by high neuroticism, low extraversion and low openness and includes on average 17.3% of the participants (54.4% female; mean age 57.6, SD = 18.2). It clearly resembles the overcontroller type, to which it also has the shortest Euclidean distance (0.58). The fourth cluster shows below-average values on the factors neuroticism, extraversion and openness, as opposed to above-average values on openness and conscientiousness. It includes on average 22.5% of the participants (45% female; mean age 56.8, SD = 17.6). Its mean z-scores closely resemble the reserved personality type, to which it has the smallest Euclidean distance (0.36). The third cluster is mainly characterized by low conscientiousness and low openness, although in the spectral clustering solution, it also has above-average extraversion and openness values. Computing the Euclidean distance (0.86) yields the closest proximity to the undercontroller personality type. This cluster includes on average 24.6% of the participants (41.3% female; mean age 50.8, SD = 18.3). The fifth cluster exhibits high z-scores on every Big Five trait, including a high value for neuroticism. Computing the Euclidean distances to the previously found types summed up in Fig 1 reveals the closest resemblance with the confident type (Euclidean distance = 0.81). Considering the average scores of the Big Five traits, it resembles the confident type from Herzberg and Roth [ 30 ] and Collani and Roth [ 10 ] as well as the resilient type, with the exception of the high neuroticism score. Having above average values on the more adaptive traits while having also above average neuroticism values reminded a reviewer from a previous version of this paper of the vulnerable but invincible children of the Kauai-study [ 74 ]. Despite having been exposed to several risk factors in their childhood, they were well adapted in their adulthood except for low coping efficiency in specific stressful situations. Taken together with the lower percentage of participants in the resilient cluster in this study, compared to previous studies, we decided to name the 5 th cluster vulnerable-resilient. Consequently, only above or below average neuroticism values divided between resilient and vulnerable resilient. On average, 21.2% of the participants were allocated to this cluster (68.3% female; mean age 54.9, SD = 17.4).

Summarizing the descriptive statistics, undercontrollers were the “youngest” cluster whereas overcontrollers were the “oldest”. The mean age differed significantly between clusters ( F [4, 22820] = 116.485, p <0.001), although the effect size was small ( f = 0.14). The distribution of men and women between clusters differed significantly (c 2 [ 4 ] = 880.556, p <0.001). With regard to sex differences, it was particularly notable that the vulnerable-resilient cluster comprised only 31.7% men. This might be explained by general sex differences on the Big Five scales. According to Schmitt et al. [ 75 ], compared to men, European women show a general bias to higher neuroticism (d = 0.5), higher conscientiousness (d = 0.3) and higher extraversion and openness (d = 0.2). As the vulnerable-resilient personality type is mainly characterized by high neuroticism and above-average z-scores on the other scales, it is therefore more likely to include women. In turn, this implies that men are more likely to have a personality profile characterized mainly by low conscientiousness and low openness, which is also supported by our findings, as only 41.3% of the undercontrollers were female.

Concerning the prototypicality of the five-cluster solution compared to the mean values extracted from previous studies, it is apparent that the resilient, the reserved and the overcontroller type are merely exact replications. In contrast to previous findings, the undercontrollers differed from the previous findings cited above in terms of average neuroticism, whereas the vulnerable-resilient type differed from the previously found type (labeled confident) in terms of high neuroticism.

Stability and consistency

Inspecting the five cluster solution using the k-means algorithm on the Big Five data of the 2013 SOEP sample seemed to depict a replication of the above described personality types. This first impression was confirmed by the calculation of the profile similarity measure D between the 2005/2009 and 2013 SOEP sample cluster solutions, which yielded highest similarity for the undercontroler (D = 0.27) and reserved (D = 0.36) personality types, followed by the vulnerable-resilient (D = 0.37), overcontroler (D = 0.44) and resilient (D = 0.50) personality types. Substantial agreement was confirmed by the values of the Rand index (.84) and Cohen’ Kappa (.70) whereas the Hubert Arabie adjusted Rand Index (.58) indicated moderate agreement for the comparison between the kmeans cluster solution for the 2013 SOEP sample and the cluster allocation with an SVM classifier trained on the 2005 and 2009 kmeans cluster solution.

Predictive validity

In view of the aforementioned criticisms that (a) predicting dimensional variables will mathematically favor dimensional personality description models, and (b) using dichotomous predictors will necessarily provide less explanation of variance than a model using five continuous predictors, we used the profile similarity measure D [ 76 ] instead of dichotomous dummy variables accounting for the prototype membership. Correlations between the inversed Euclidean similarity measure D to the personality types and patience, risk-taking, spontaneity/impulsivity, locus of control, affective wellbeing, self-esteem and health are depicted in Table 4 .

N = 14048. Except the ones in brackets, only correlations with a significance level ≤ 0.001 are depicted. The highest and lowest correlation in each row are marked in bold. SF-12 = 12-Item Short Form Health Survey.

Patience had the highest association with the reserved personality type (r = .19, p < .001). The propensity to risky behavior, e.g. while driving (r = .17, p < .001), in financial matters (r = .17, p < .001) or in health decisions (r = .13, p < .001) was most highly correlated with the undercontroller personality type. This means that the more similar the Big-Five profile to the above-depicted undercontroller personality prototype, the higher the propensity for risky behavior. The average correlation across all three risk propensity scales with the undercontroller personality type is r = .21, with p < .001. This is in line with the postulations by Block and Block and subsequent replications by Caspi et al. [ 19 , 48 ], Robins et al. [ 1 ] and Herzberg [ 33 ] about the undercontroller personality type. Spontaneity/impulsivity showed the highest correlation with the overcontroller personality type (r = -.18, p<0.001). This is also in accordance with Block and Block, who described this type as being non-impulsive and appearing constrained and inhibited in actions and emotional expressivity.

Concerning locus of control, proximity to the resilient personality profile had the highest correlation with internal locus of control (r = .25, p < .001), and in contrast, the more similar the individual Big-Five profile was to the overcontroller personality type, the higher the propensity for external allocation of control (r = .22, p < .001). This is not only in line with Block and Block’s postulations that the resilient personality type has a good repertoire of coping behavior and therefore perceives most situations as “manageable” as well as with the findings by [ 33 ], but is also in accordance with findings regarding the construct and development of resilience [ 77 , 78 ].

Also in line with the predictions of Block and Block and replicating the findings of Herzberg [ 33 ], self-esteem was correlated the highest with the resilient personality profile similarity (r = .33, p < .001), second highest with the reserved personality profile proximity (r = .15, p < .001), and negatively correlated with the overcontroller personality type (r = -.27, p < .001).

This pattern also applies to affective and cognitive wellbeing as well as physical and mental health measured by the SF-12. Affective wellbeing was correlated the highest with similarity to the resilient personality type (r = .27, p < .001), and second highest with the reserved personality type (r = .23, p < .001). The overcontroller personality type, in contrast, showed a negative correlation with affective (r = -.16, p < .001) and cognitive (r = -21, p < .001) wellbeing. Concerning health, a remarkable finding is that lack of physical health impairment correlated the highest with the resilient personality profile similarity (p = -.23, p < .001) but lack of mental health impairment correlated the highest with the reserved personality type (r = -.15, p < .001). The highest correlation with mental health impairments (r = .11, p < .001), as well as physical health impairments (r = .16, p < .001) was with the overcontroller personality profile similarity. It is striking that although the undercontroller personality profile similarity was associated with risky health behavior, it had a negative association with health impairment measures, in contrast to the overcontroller personality type, which in turn had no association with risky health behavior. This result is in line with the link of internalizing and externalizing behavior with the overcontroller and undercontroller types [ 79 ], respectively. Moreover, it is also in accordance with the association of internalizing problems with somatic symptoms and/or symptoms of depressiveness and anxiety [ 80 ].

A further noteworthy finding is that these associations cannot be solely explained by the high neuroticism of the overcontroller personality type, as the vulnerable-resilient type showed a similar level of neuroticism but no correlation with self-esteem, the opposite correlation with impulsivity, and far lower correlations with health measures or locus of control. The vulnerable-resilient type showed also a remarkable distinction to the other types concerning the correlations to wellbeing. While for all other types, the direction and significance of the correlations to affective and cognitive measures of wellbeing were alike, the vulnerable-resilient type only had a significant negative correlation to affective wellbeing while having no significant correlation to measures of cognitive wellbeing.

To provide an overview of the particular associations of the Big Five values with all of the above-mentioned behavior and personality measures, Table 5 shows the bivariate correlations.

N = 14,048. Except the one in brackets, only correlations with a significance level ≤ 0.001 are depicted. SF-12 = 12-Item Short Form Health Survey.

Investigating the direction of the correlation and the relativity of each value to each other row-wise reveals, to some extent, a clear resemblance with the z-scores of the personality types shown in Fig 3 . Correlation profiles of risk taking, especially the facet risk-taking in health issues and locus of control, clearly resemble the undercontroller personality profile (negative correlations with openness and conscientiousness, positive but lower correlations with extraversion and openness). Patience had negative correlations with neuroticism and extraversion, and positive correlations with openness and conscientiousness, which in turn resembles the z-score profile of the reserved personality profile. Spontaneity/impulsivity had moderate to high positive correlations with extraversion and openness, and low negative correlations with openness and neuroticism, which resembles the inverse of the overcontroller personality profile. Self-esteem as well as affective and cognitive wellbeing correlations with the Big Five clearly resemble the resilient personality profile: negative correlations with neuroticism, and positive correlations with extraversion, openness, openness and conscientiousness. Inspecting the SF-12 health correlation, in terms of both physical and mental health, reveals a resemblance to the inversed resilient personality profile (high correlation with neuroticism, low correlation with extraversion, openness, openness and conscientiousness, as well as a resemblance with the overcontroller profile (positive correlation with neuroticism, negative correlation with extraversion).

On the variable level, neuroticism had the highest associations with almost all of the predicted variables, with the exception of impulsivity, which was mainly correlated with extraversion and openness. It is also evident that all variables in question here are correlated with three or more Big Five traits. This can be seen as support for hypothesis that the concept of personality prototypes has greater utility than the variable-centered approach in understanding or predicting more complex psychological constructs that are linked to two or more Big Five traits.

The goal of this study was to combine different methodological approaches while overcoming the shortcomings of previous studies in order to answer the questions whether there are replicable personality types, how many of them there are, and how they relate to Big Five traits and other psychological and health-related constructs. The results revealed a robust five personality type model, which was able to significantly predict all of the psychological constructs in question longitudinally. Predictions from previous findings connecting the predicted variables to the particular Big Five dimensions underlying the personality type model were confirmed. Apparently, the person-centered approach to personality description has the most practical utility when predicting behavior or personality correlates that are connected to more than one or two of the Big Five traits such as self-esteem, locus of control and wellbeing.

This study fulfils all three criteria specified by von Eye & Bogat [ 81 ] regarding person-oriented research and considers the recommendations regarding sample size and composition by Herzberg and Roth [ 30 ]. The representative and large sample was analyzed under the assumption that it was drawn from more than one population (distinct personality types). Moreover, several external and internal cluster validity criteria were taken into account in order to validate the groupings generated by three different cluster algorithms, which were chosen to represent broad ranges of clustering techniques [ 60 , 82 ]. The Ward followed by K-means procedure covers hierarchical as well as divisive partitioning (crisp) clustering, the latent profile algorithm covers density-based clustering with probabilistic models and information theoretic validation (AIC, BIC), and spectral clustering represents graph theoretic as well as kernel-based non-linear clustering techniques. The results showed a clear superiority of the five-cluster solution. Interpreting this grouping based on theory revealed a strong concordance with personality types found in previous studies, which we could ascertain both in absolute mean values and in the Euclidean distances to mean cluster z-scores extracted from 19 previous studies. As no previous study on personality types used that many external and internal cluster validity indices and different clustering algorithms on a large data set of this size, the present study provides substantial support for the personality type theory postulating the existence of resilient, undercontroller, overcontroller, vulnerable-resilient and reserved personality types, which we will refer to with RUO-VR subsequently. Further, our findings concerning lower validity of the LPA cluster solutions compared to the k-means and spectral cluster solutions suggest that clustering techniques based on latent models are less suited for the BFI-S data of the SOEP sample than iterative and deterministic methods based on the k-means procedure or non-linear kernel or graph-based methods. Consequently, the substance of the clustering results by Specht et. al. [ 36 ], which applied latent profile analysis on the SOEP sample, may therefore be limited.

But the question, if the better validity values of the k-means and spectral clustering techniques compared to the LPA indicate a general superiority of these algorithms, a superiority in the field of personality trait clustering or only a superiority in clustering this specific personality trait assessment (BFI-S) in this specific sample (SOEP), remains subject to further studies on personality trait clustering.

When determining the longitudinal predictive validity, the objections raised by Asendorpf [ 53 ] concerning the direct comparison of person-oriented vs. variable-oriented personality descriptions were incorporated by using continuous personality type profile similarity based on Cronbach and Gleser [ 75 ] instead of dichotomous dummy variables as well as by predicting long-term instead of cross-sectionally assessed variables. Using continuous profile similarity variables also resolves the problem that potentially important information about members of the same class is lost in categorical personality descriptions [ 15 , 53 , 83 ]. Predictions regarding the association of the personality types with the assessed personality and behavior correlates, including risk propensity, impulsivity, self-esteem, locus of control, patience, cognitive and affective wellbeing as well as health measures, were confirmed.

Overcontrollers showed associations with lower spontaneity/impulsivity, with lower mental and physical health, and lower cognitive as well as affective wellbeing. Undercontrollers were mainly associated with higher risk propensity and higher impulsive behavior. These results can be explained through the connection of internalizing and externalizing behavior with the overcontroller and undercontroller types [ 5 – 7 , 78 ] and further with the connection of internalizing problems with somatic symptoms and/or symptoms of depressiveness and anxiety [ 79 ]. The dimensions or categories of internalizing and externalizing psychopathology have a long tradition in child psychopathology [ 84 , 85 ] and have been subsequently replicated in adult psychopathology [ 86 , 87 ] and are now basis of contemporary approaches to general psychopathology [ 88 ]. A central proceeding in this development is the integration of (maladaptive) personality traits into the taxonomy of general psychopathology. In the current approach, maladaptive personality traits are allocated to psychopathology spectra, such as the maladaptive trait domain negative affectivity to the spectrum of internalizing disorders. However, the findings of this study suggests that not specific personality traits are intertwined with the development or the occurrence of psychopathology but specific constellations of personality traits, in other words, personality profiles. This hypothesis is also supported by the findings of Meeus et al. [ 8 ], which investigated longitudinal transitions from one personality type to another with respect to symptoms of generalized anxiety disorder. Transitions from resilient to overcontroller personality profiles significantly predicted higher anxiety symptoms while the opposite was found for transitions from overcontroller to resilient personality profiles.

The resilient personality type had the strongest associations with external locus of control, higher patience, good health and positive wellbeing. This not only confirms the characteristics of the resilient type already described by Block & Block [ 18 ] and subsequently replicated, but also conveys the main characteristics of the construct of resilience itself. While the development of resiliency depends on the quality of attachment experiences in childhood and youth [ 89 ], resiliency in adulthood seems to be closely linked to internal locus of control, self-efficacy and self-esteem. In other words, the link between secure attachment experiences in childhood and resiliency in adulthood seems to be the development of a resilient personality trait profile. Seen the other way around, the link between traumatic attachment experiences or destructive environmental factors and low resiliency in adulthood may be, besides genetic risk factors, the development of personality disorders [ 90 ] or internalizing or externalizing psychopathology [ 91 ]. Following this thought, the p-factor [ 92 ], i.e. a general factor of psychopathology, may be an index of insufficient resilience. Although from the viewpoint of personality pathology, having a trait profile close to the resilient personality type may be an index of stable or good personality structure [ 93 ], i.e. personality functioning [ 94 ], which, though being consistently associated with general psychopathology and psychosocial functioning, should not be confused with it [ 95 ].

The reserved personality type had the strongest associations with higher patience as well as better mental health. The vulnerable-resilient personality type showed low positive correlations with spontaneity/impulsivity and low negative correlations with patience as well as health and affective wellbeing.

Analyzing the correlations of the dimensional Big Five values with the predicted variables revealed patterns similar to the mean z-scores of the personality types resilient, overcontrollers, undercontrollers and reserved. Most variables had a low to moderate correlation with just one personality profile similarity, while having at least two or three low to moderate correlations with the Big Five measures. This can be seen as support for the argument of Chapman [ 82 ] and Asendorpf [ 15 , 53 ] that personality types have more practical meaning in the prediction of more complex correlates of human behavior and personality such as mental and physical health, wellbeing, risk-taking, locus of control, self-esteem and impulsivity. Our findings further underline that the person-oritented approach may better be suited than variable-oriented personality descriptions to detect complex trait interactions [ 40 ]. E.g. the vulnerable-resilient and the overcontroller type did not differ in their high average neuroticism values, while differing in their correlations to mental and somatic health self-report measures. It seems that high neuroticism is far stronger associated to lower mental and physical health as well as wellbeing if it occurs together with low extraversion and low openness as seen in the overcontroller type. This differential association between the Big-Five traits also affects the correlation between neuroticism and self-esteem or locus of control. Not differing in their average neuroticism value, the overcontroller personality profile had moderate associations with low self-esteem and external locus of control while the vulnerable-resilient personality profile did only show very low or no association. Further remarkable is that the vulnerable-resilient profile similarity had no significant correlation with measures of cognitive wellbeing while being negatively correlated with affective wellbeing. This suggests that individuals with a Big-Five personality profile similar to the vulnerable-resilient prototype seem not to perceive impairments in their wellbeing, at least on a cognitive layer, although having high z-values in neuroticism. Another explanation for this discrepancy as well as for the lack of association of the vulnerable-resilient personality profile to low self-esteem and external locus of control though having high values in neuroticism could be found in the research on the construct of resilience. Personalities with high neuroticism values but stable self-esteem, internal locus of control and above average agreeableness and extraversion values may be the result of the interplay of multiple protective factors (e.g. close bond with primary caregiver, supportive teachers) with risk factors (e.g. parental mental illness, poverty). The development of a resilient personality profile with below average neuroticism values, on the other hand, may be facilitated if protective factors outweigh the risk factors by a higher ratio.

An interesting future research question therefore concerns to what extent personality types found in this study may be replicated using maladaptive trait assessments according to DSM-5, section III [ 96 ] or the ICD-11 personality disorder section [ 97 ] (for a comprehensive overview on that topic see e.g. [ 98 ]). As previous studies showed that both DSM-5 [ 99 ] and ICD-11 [ 100 ] maladaptive personality trait domains may be, to a large extent, conceptualized as maladaptive variants of Big Five traits, it is highly likely that also maladaptive personality trait domains align around personality prototypes and that the person-oriented approach may amend the research field of personality pathology [ 101 ].

Taken together, the findings of this study connect the variable centered approach of personality description, more precisely the Big Five traits, through the concept of personality types to constructs of developmental psychology (resiliency, internalizing and externalizing behavior and/or problems) as well as clinical psychology (mental health) and general health assessed by the SF-12. We could show that the distribution of Big Five personality profiles, at least in the large representative German sample of this study, aggregates around five prototypes, which in turn have distinct associations to other psychological constructs, most prominently resilience, internalizing and externalizing behavior, subjective health, patience and wellbeing.

Limitations

Several limitations of the present study need to be considered: One problem concerns the assessment of patience, self-esteem and impulsivity. From a methodological perspective, these are not suitable for the assessment of construct validity as they were assessed with only one item. A further weakness is the short Big Five inventory with just 15 items. Though showing acceptable reliability, 15 items are more prone to measurement errors than measures with more items and only allow a very broad assessment of the 5 trait domains, without information on individual facet expressions. A more big picture question is if the Big Five model is the best way to assess personality in the first place. A further limitation concerns the interpretation of the subjective health measures, as high neuroticism is known to bias subjective health ratings. But the fact that the vulnerable-resilient and the overcontroler type had similar average neuroticism values but different associations with the subjective health measures speaks against a solely neuroticism-based bias driven interpretation of the associations of the self-reported health measures with the found personality clusters. Another limitation is the correlation between the personality type similarities: As they are based on Euclidean distances and the cluster algorithms try to maximize the distances between the cluster centers, proximity to one personality type (that is the cluster mean) logically implies distance from the others. In the case of the vulnerable-resilient and the resilient type, the correlation of the profile similarities is positive, as they mainly differ on only one dimension (neuroticism). These high correlations between the profile similarities prevents or diminishes, due to the emerging high collinearity, the applicability of general linear models, i.e. regression to calculate the exact amount of variance explained by the profile similarities.

The latter issue could be bypassed by assessing types and dimensions with different questionnaires, i.e. as in Asendorpf [ 15 ] with the California Child Q-set to determine the personality type and the NEO-FFI for the Big Five dimensions. Another possibility is to design a new questionnaire based on the various psychological constructs that are distinctly associated with each personality type, which is probably a subject for future person-centered research.

Acknowledgments

The data used in this article were made available by the German Socio-Economic Panel (SOEP, Data for years 1984–2015) at the German Institute for Economic Research, Berlin, Germany. However, the findings and views reported in this article are those of the authors. To ensure the confidentiality of respondents’ information, the SOEP adheres to strict security standards in the provision of SOEP data. The data are reserved exclusively for research use, that is, they are provided only to the scientific community. All users, both within the EEA (and Switzerland) and outside these countries, are required to sign a data distribution contract.

Funding Statement

The author(s) received no specific funding for this work.

Data Availability

• PLoS One. 2021; 16(1): e0244849.

Decision Letter 0

24 Mar 2020

PONE-D-20-00337

Personality Types Revisited – a Comprehensive Algorithmic Approach to an Integration of Prototypical and Dimensional Constructs of Personality Description

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Reviewer #2: Yes

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Reviewer #1: This is a sophisticated and methodologically exhaustive study.

I must confess that much of this material is beyond my scope of knowledge and my capacity to comprehend.

After reading the abstract I am still not very clear about what this study is all about. It all seems like at novel approach - or maybe a pioneering approach is a more appropriate term. Therefore, I suggest that nothing should be too obvious in the communication of this study.

1] For example, the abstract only refers to “a large representative German dataset” without providing the N? What is the abbreviation Ward/k standing for?

In general, I encourage the authors to rephrase the abstract and parts of the introduction as a service for the reader.

2] General comment: During the introduction on the first 3-4 pages, I feel somewhat lost as reader. I suppose the authors could sharpen up this part. It may also be helpful to link the rationale to some more familiar/contemporary theory and research within the field.

The 10 first pages seem to work as a review of the literature.

The aim is not presented until page 9 line 207.

3] It could be helpful with a more clear distinguishing between types and traits?

4] Page 6, line 127: “In a recent nature human behavior publication” – are the authors referring to a journal here or a particular issue or paper? It is not evident.

5] Page 7: ”total N of 1560418” – please use comma separators.

6] The authors cite the HiTOP and related scientific papers (e.g., Forbush et al, Kotov et al., Krueger et al.). However, the authors did not relate their findings or discussions to the more authoritative diagnostic frameworks such as the approved ICD-11 dimensional classifications of PDs as well as the DSM-5 alternative model – with particular emphasis on their trait systems.

7] On page 4 the authors write: “it can be said that the human goal is to be as undercontrolled as possible and as overcontrolled as necessary. When one is more undercontrolled than is adaptively effective or more overcontrolled than is adaptively required, one is not resilient”

In relation to “resilience”, it is remarkable that the authors have not related their findings or discussion to Fonagy and Sharp as well as Caspi’s P-factor (see references below). I particularly refer to the P-factor as an index of insufficient resilience, which may be something that could be more clearly incorporated into the manuscript?

Caspi, A., Houts, R. M., Belsky, D. W., & Goldman-mellor, S. J. (2015). The p factor: One general psychopathology factor in the structure of psychiatric disorders? Clinical Psychological Science, 2(2), 119–137. https://doi.org/10.1177/2167702613497473.The

Sharp, C., Wright, A. G. C., Fowler, J. C., Frueh, B. C., Allen, J. G., Oldham, J., & Clark, L. A. (2015). The structure of personality pathology: Both general (‘g’) and specific (‘s’) factors? Journal of Abnormal Psychology, 124(2), 387–398. https://doi.org/10.1037/abn0000033

Fonagy, P., Luyten, P., Allison, E., & Campbell, C. (2017). What we have changed our minds about: Part 1. Borderline personality disorder as a limitation of resilience. Borderline Personality Disorder and Emotion Dysregulation, 4(1), 11. https://doi.org/10.1186/s40479-017-0061-9

Reviewer #2: congratulations to the authors, this is an excellent work which, however, has two fundamental limitations: 1. it includes a long part, not consistent with the title and the abstract, which can be eliminated; 2 the description of the statistical methodology is poorly understood by colleagues who are not experts in data analysis. The text is weighted and complex to read.

I will point out my thoughts step by step. following them the writing becoming more agile and accessible will bring out the fantastic work behind it.

from row 48 to row 51

The difference between the two approaches should be clearly explained

from row 69 to row 70

The Q procedure should be clearly explained

from row 88 to row 91

I would delete this sentence

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I would explain this study in more detail

rom row 131 to row 133

the reasons for this choice should be explained

from row 143 to row 206

I would eliminate this part

(it seems to me, to all intents and purposes, something that may belong to an interesting review of the literature. this part proposed in this stringed way is obviously inadequate, inconsistent with the title and unnecessarily burdens the text)

Clearly this implies the elimination also of figure 1 and of the results and discussion that refer to the comparison between figure 1 and figure 2

from row 227 to row 229

I would extend this concept

from row 233 to row 244

I would insert a table representing the elements described

from row 291 to row 321

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The meaning of these methods should be clarified in relation to the type of data examined. this will allow a perfect understanding of the results even for non-expert colleagues in data analysiss

from row 354 to row 357

I would delete this sentence, there are recent studies that question this claim

(see Matthijs J Warrens On the Equivalence of Cohen’s Kappa and the Hubert-Arabie Adjusted Rand Index

February 2008 Journal of Classification 25 (2): 177-183)

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These are basic concepts for which the paragraph can be reduced in size

from row 384 to row 435

Insert a figure that graphically describes the procedure

rom row 677 to row 680

delete this sentence

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Reviewer #2: Yes: Raffaele Sperandeo

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Author response to Decision Letter 0

23 Sep 2020

Please see the attached document "Response to the reviewers".

Submitted filename: Response to the Reviewers.docx

Decision Letter 1

PONE-D-20-00337R1

Personality Types Revisited – a Literature-Informed and Data-Driven Approach to an Integration of Prototypical and Dimensional Constructs of Personality Description

Dear Dr. Kerber,

Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. There are only very minor points raised by reviewer 1 that need to be addressed.

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1) The tables have no definitions in the legend for the different terms and abbreivations - I am not entirely aware of the author guidelines for this journal, but I think it is much needed.

2) The authors rigthly included a reference to the now approved ICD-11 PD classification (line 825). However, the authors should provide the correct reference:

WHO. (2019). ICD-11 Clinical Descriptions and Diagnostic Guidelines for Mental and Behavioural Disorders. World Health Organisation. gcp.network/en/private/icd-11-guidelines/disorders

3) Moreover, they only refer to studies on big five convergence with DSM-5 Section III traits - but not with the ICD-11 traits. See for example the following papers:

Somma, A., Gialdi, G., & Fossati, A. (2020). Reliability and construct validity of the Personality Inventory for ICD-11 (PiCD) in Italian adult participants. Psychological Assessment, 32(1), 29–39. https://doi.org/10.1037/pas0000766

Oltmanns, J. R., & Widiger, T. A. (2018). A self-report measure for the ICD-11 dimensional trait model proposal: The Personality Inventory for ICD-11. Psychological Assessment, 30(2), 154–169. https://doi.org/10.1037/pas0000459

Oltmanns, J. R., & Widiger, T. A. (2019). The Five-Factor Personality Inventory for ICD-11: A facet-level assessment of the ICD-11 trait model. Psychological Assessment. https://doi.org/10.1037/pas0000763

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Author response to Decision Letter 1

13 Dec 2020

Reviewer 1:

Response: Thanks to this suggestion we have reviewed all our tables for abbreviations that are not explained and included them in the respective notes.

Response: We have rephrased ll. 838-841 to also include a reference to the ICD-11 PD model.

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18 Dec 2020

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Acceptance letter

22 Dec 2020

Personality Types Revisited – a  Literature-Informed and Data-Driven Approach to an Integration of Prototypical and Dimensional Constructs of Personality Description

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Psychology of Personality: Theories Essay

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Introduction

Individuals convey different psychological lives depending on their environment, social status, among other factors. Nonetheless, just a few psychological behaviors are noticed easily. These include personality, among others. Personality defines the whole mental organization of humans at every stage of their development.

In this regard, various theorists, psychologists and psycho-socialists, as well as psychoanalysts have proposed several theories that they feel describe human behavior and personality. These theorists include Freud, Fromm, Erickson, Bandura, Skinner, Allport, and Rogers, among others. The theories they postulated include psychosexual theory, which was done by Freud and psychosocial theory, which was proposed by Erickson.

Others include behavioral analysis, by Skinner, Bandura’s social cognitive analysis, Allport’s ideas of the psychologically healthy personality, Adler’s Individual Psychology, Rogers’ “person of tomorrow” and Fromm’s Humanistic Psychoanalysis. Some of these theories are complex to understand as they sometimes vary in results depending on the individual. This paper will explore the similarities and differences of pairs of these theories as well as my views on them (Feist & Feist, 2009, p. 12-67).

Psychology of personality

Personality psychology is usually defined in terms of mental system of an individual. Moreover, the primary concern of personality is on the most noticeable parts of human’s psychological life. The noticeable parts of an individual form its main elements. Several definitions have come up to describe personality psychology. Most of these have mainly focused on the mental state of individuals. They try to bring out a description of the overall mental system or organization.

It may therefore refer to the complete organization of mentality of an individual at any stage of his/her development. It forms the sense of being human. Every individual conveys some form of personality. Among those usually shown concerns people who are sad or happy, dull or smart, and apathetic or energetic, among others. In essence, personality concerns itself with the pattern of operation of mental systems in individuals (Feist & Feist, 2009, p. 12-67).

Freud’s psychosexual theory of personality versus Erikson’s psychosocial theory of personality

Freud postulated his theory on psychosexual development with emphasis on people as pleasure seekers. According to him, people come into the world as seekers of pleasure. He points out that these pleasures are sought from erogenous zones. The zones are wide and require further categorization.

He categorizes the theory of psychosexual development into two ideas. These are the fact that one’s childhood experiences determines his future, that is a child’s first few years determines his whole life. This is mainly because the childhood experiences act as a blueprint to future functions. In addition he talks of the fact that development gives a story of how individuals can handle impulses that are antisocial through ways that are sociable. These are categorized in fixation and reaction formation (Feist & Feist, 2009, p. 12-67).

Freud’s psychosexual theory of personality

Freud states that people come into the world to seek pleasure. He proposed 5 stages of development, which he felt that people go through, even though he also stated that most people ended up tied to one stage of development than others. The stages of development he gives for this are the oral stage, Anal, Phallic, latency and genital.

The oral stage occurs between birth and one year. In this stage, one may get frustrated at waiting on others or depending on them. A fixation at this state would mean extreme use of oral stimulation. These may include excessive drinking, cigarettes, among others.

The second stage is Anal, which occurs between two to three years. Children are introduced to rules that they are to follow as well as regulations. Libido is therefore focused anally, leading to stinginess, messiness, or stubbornness, among others. These results are only achieved when one remains fixated at this stage. The third stage (phallic) starts between 4-5 years and is characterized with boys’ sexual desire for their mothers, combined with fear of the father’s suspicion and punishment.

This phase of phallic stage is known as Oedipus conflict. It is then followed by castration anxiety. In this phase, the boy ends up renouncing his sexual feelings for his mother for fear of punishment by his father. He then becomes the father’s friend and hopes to have relations with a woman like his father, some day (Feist & Feist, 2009, p. 12-67).

For girls, it is slightly different in the phallic stage, this is because they develop desire for penis and thinks that their mothers are penis less and therefore unworthy. However, just as the boys renounce their desire for mothers, girls also renounce their desire for fathers. The fourth stage is Latency, which starts from about age 7 to puberty. The stage is also known as a period of rest as there is no significant developmental occurrences.

The fifth and last, involves genital developments, which starts at puberty. The child begins to utilize the roles of libido and genitals. However, these feelings act as a source of anxiety since they remind them of feelings for their parents in earlier stages (Feist & Feist, 2009, p. 12-67).

Erikson’s psychosocial theory of personality

Erickson provided one of the best known stages of development in personality psychology. His main emphasis is on ego identity which is identified as a sense of self awareness. In this regard, Erickson postulates eight stages of development. These are majorly on conflicts. They include Trust vs. mistrust, Autonomy vs. Doubt and shame, Inferiority vs. industry, confusion vs. identity, isolation vs. intimacy, stagnation vs. generativity and integrity vs. Despair (Feist & Feist, 2009, p. 12-67).

Similarities

The two theorists have several similarities. These include the fact that just like Freud, Erickson believed that personality involves several stages of development (Feist & Feist, 2009, p. 12-67).

Differences

The two theories also have points of divergence. For instance, Freud speaks of 5 stages of development while Erickson talks of 8 stages of development (Feist & Feist, 2009, p. 12-67).

Skinner’s Behavioral analysis versus Bandura’s social cognitive theory

Skinner was one of the pioneers of behavioral analysis in his time. He spent his time on physiology and emphasized the need for experimental results as opposed to observation of phenomena studied. He therefore placed much of his behavioral analysis methods on control of experimental variables.

On the other hand, Bandura emphasizes on observation learning in his concept of social cognitive approach. He puts more efforts on the social origins of individual’s behavior. In addition to this, he considers the contributions to this behavior that arises from cognitive thought.

His theory on social cognitive approach diverges from the common theories that usually associate cognitive factors with human functioning. These theories usually convey cognitive factors to function in the absence of direct enforcement. Enforcement of laws and regulations in a society as well as punishment of those who violate it proves more relevant to performance than acquisition according to Bandura (Feist & Feist, 2009, p. 12-67).

Skinner’s Behavioral analysis

Skinner emphasized on control of experimental variables as opposed to observation of phenomenon. Through this, he was able to device apparatus that could control some specific behaviors of rats. Skinner was also able to distinguish his method of behavioral analysis from stimulus response postulated by Pavlov.

This he did by first acknowledging Pavlov’s work and then emphasizing on operant conditioning. In addition, Skinner tried his best to use his theories on making a better world. In this, he used his theory on operant technique the emphasized positive reinforcement (Feist & Feist, 2009, p. 12-67).

Bandura’s social cognitive theory

Bandura emphasizes on observation learning in his concept of social cognitive approach. He puts more efforts on the social origins of individual’s behavior. In addition to this, he considers the contributions to this behavior that arises from cognitive thought. His theory on social cognitive approach diverges from the common theories that usually associate cognitive factors with human functioning.

These theories usually convey cognitive factors to function in the absence of direct enforcement. Enforcement of laws and regulations in a society as well as punishment of those who violate it proves more relevant to performance than acquisition according to Bandura (Feist & Feist, 2009, p. 12-67).

Both theories of Bandura and Skinner dismiss performance through simple observation learning and instead focus on control as in Skinner’s theory and reinforcements as in Bandera’s theory (Feist & Feist, 2009, p. 12-67).

While Bandura emphasizes on enforcements such as laws to achieve performance and in the process utilize his approach of social cognitive theory, Skinner emphasizes on control of experimental variables behavioral analysis (Feist & Feist, 2009, p. 12-67).

Allport’s ideas of the psychologically healthy personality versus Rogers’ “person of tomorrow”

Gordon Allport’s main point of emphasis was on the uniqueness of every individual. He therefore used this to develop his theory of personality that stressed on making a psychologically healthy personality. To achieve this, he had to differ with other theorists, especially those who professed non-humanistic positions.

However, Allport also acknowledged other theorists by accepting a number of them. Rogers, on the other hand, is widely known for his client-centered therapy. He came up with a format if/then which je used in developing his theory (Feist & Feist, 2009, p. 12-67).

Allport’s ideas of the psychologically healthy personality

The main point of emphasis for Allport was on the uniqueness of every individual. He therefore used this to develop his theory of personality that stressed on making a psychologically healthy personality. In his theory of a psychologically healthy personality, Allport believed that these individuals (with psychologically healthy personality) were motivated by present. This is the commonly conscious drive. In addition, he believed that these individuals sought to reduce tensions as well as renew them.

Allport also believed that individuals were capable of conveying proactive behavior. This implied that people can behave in new and creative ways that may be instrumental in shaping their growth and subsequent changes. His theory differs with the traditional nomothetic science. He therefore defines personality as a vibrant association within a person. The structures of personality as entailed by Allport are personality proprium and dispositions.

In his theory, the source of motivation for psychologically healthy personality is out of their need to fit into the new environment. They are therefore very likely to engage in the following proactive behaviors: insight and humor, realistic view of surrounding, extension of self-sense, self-acceptance, unifying philosophy of life as well as warm relationships with neighbors or other individuals (Feist & Feist, 2009, p. 12-67).

Rogers’ “person of tomorrow”

Rogers, on the other hand, is widely known for his client-centered therapy. He came up with a format if/then which je used in developing his theory. He used his client-centered format to develop a person centered theory which emphasized on personality issues. The theory depends on two assumptions.

These are actualizing tendency as well as formative tendency. He believes that individuals have the capacity to grow and change, but only if certain favorable conditions are met. The theory therefore relies on optimism and encourages free choice, conscious motivation and uniqueness of persons, among others (Feist & Feist, 2009, p. 12-67).

The two theorists emphasize uniqueness of individuals when their methods are well followed. The two theories also focus on motivation which is essential in personality development (Feist & Feist, 2009, p. 12-67).

Rogers used his if/then format, which is client centered, to develop personality, while Allport emphasizes on Morphogenic Science to develop his theory. The format used by the two theorists differs widely on their research (Feist & Feist, 2009, p. 12-67).

View of personality development using Adler’s Individual Psychology and Fromm’s Humanistic Psychoanalysis

Adler’s individual psychology.

Adler developed theories on birth order. He believed that the order of birth in families affected children’s personality. In this regard, he holds that first-borns undergo more problems than the rest of the children. This, according to him, is due to the sudden change in attention, after considerable pampering, when the other siblings arrive.

He also believes that the middle born children tend to have it easy as they have the luxury of trying to achieve superiority over their elders as well as remaining well above their younger siblings. The last born, on the other hand, is likely to experience major personality problems, according to Adler. This is because they get more pampering than even the oldest children do. They are therefore significantly inferior to their siblings and unprepared to face the problems of the world (Feist & Feist, 2009, p. 12-67).

Fromm’s Humanistic Psychoanalysis

Fromm describes three methods that would assist an individual to escape from freedom. These are Authoritarianism, destructiveness and Automaton conformity. Fromm explains that freedom forms the greatest problems to majority of people. He also believes that freedom comes with inability to gain authority as well as an overwhelming loneliness. According to him, people employ different methods of alleviating anxiety, which may be directly linked to their opinion of freedom.

These include individualization, destructiveness, conformity and automaton as well as authoritarianism. In authoritarianism, people tend to submit to entities that they believe are greater than them to escape freedom. They may also make themselves authoritative over those who, in their opinion are enemies. These authorities may be religious, political, or social leaders or beliefs (Feist & Feist, 2009, p. 12-67).

View of personality development

These theories are important in establishing the forces that drive individuals. For instance, Fromm, talks of our need to escape from freedom, which leads to anxiety and loneliness. He also talks of the techniques we employ to help us manage these problems. These include destructiveness, automaton conformity, as well as authoritarianism.

In concluding, he states that people should embrace freedom, as this is the only healthy way of dealing with their problems as well as attaining individuality. This is quite important in encouraging the world to be original and unique in their activities. This will make them poses the highly needed individuality. Adler, on the other hand, talks of the drive or motivational force on individuals.

He then explains that those who desire to be important people in society feel so out of inferiority in their respective desires. If this problem exceeds, one may experience inferiority complex, which is a complete opposite of striving for superiority. This theory applies to individuals who know their drives; the knowledge of what drives an individual helps him /her manage the goals. It also helps save people from developing inferiority complex due to unattainable objectives (Feist & Feist, 2009, p. 12-67).

Several theories have been brought forward to explain psychology of personality. These include individual psychology and humanistic psychoanalytic, psychosexuality, among others. These theories were developed by various theorists such as Freud, Adler, Erickson, Bandura, Rogers, Allport and Fromm, among others. The paper analyses various theories on psychology of personality including similarities and differences of their pairs, as well as my views on them (Feist & Feist, 2009, p. 12-67).

Reference List

Feist, J. & Feist, G. (2009). Theories of personality (7th ed.). Boston: McGraw-Hill.

• Why Does Our Behavior Affect Our Attitudes?
• Phil Barker: What Is Fear?
• Sigmund Freud: Theory of Psychosexual Development Analysis
• Alfred Adler: A Classic Theorist
• Matrix Table and Personality Analysis
• Why do we do what we do?
• History and Causes of the Sexual Deviants in People
• Sex and the city. Media Analysis
• The Psychoanalytic Approach to Personality
• Deviant behavior: Prostitution
• Chicago (A-D)
• Chicago (N-B)

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Essays on Personality

Choosing the Right Personality Essay Topics

When it comes to writing a personality essay, choosing the right topic is crucial. The topic you choose will determine the direction of your essay, the depth of your research, and the overall quality of your writing. In this article, we will discuss the importance of choosing the right personality essay topics and provide some examples of topics that are both engaging and thought-provoking.

Importance of Choosing the Right Topic

The topic of your personality essay is the foundation on which your entire essay will be built. It sets the tone for your writing and determines the scope of your research. Choosing the right topic is essential for creating a compelling and insightful essay that will captivate your readers.

Furthermore, choosing a relevant and engaging topic will make the writing process more enjoyable for you. When you are passionate about the topic you are writing about, your enthusiasm will shine through in your writing, making your essay more engaging and impactful.

Examples of Personality Essay Topics

• The Influence of Birth Order on Personality Development This topic explores the impact of birth order on an individual's personality. It delves into the different characteristics and traits associated with being the oldest, middle, or youngest child in a family.
• The Relationship Between Personality and Career Choice This topic examines how an individual's personality influences their career choices and success in the workplace. It explores how certain personality traits are better suited for specific professions and how individuals can leverage their unique traits to excel in their chosen careers.
• The Role of Nature vs. Nurture in Shaping Personality This topic delves into the age-old debate of nature versus nurture and how it influences an individual's personality. It discusses how genetics and environmental factors contribute to the development of one's personality and how these factors interact to shape who we are.
• The Impact of Social Media on Personality This topic explores the influence of social media on shaping an individual's personality and self-image. It delves into how social media platforms can impact self-esteem, identity formation, and social interactions, and how individuals can navigate these influences to maintain a healthy sense of self.
• The Link Between Personality and Mental Health This topic examines the correlation between personality traits and mental health disorders. It discusses how certain personality traits may make individuals more susceptible to mental health issues and explores the role of therapy and interventions in managing and treating these conditions.

Tips for Choosing the Right Topic

• Consider your interests and passions: Choose a topic that you are genuinely interested in and passionate about. This will make the writing process more enjoyable and allow you to bring a unique perspective to your essay.
• Research potential topics: Take the time to explore different personality essay topics and conduct some preliminary research to gauge the availability of credible sources and the depth of existing literature on the subject.
• Consider your audience: Tailor your topic to your intended audience and consider what topics would resonate with them. Choose a topic that is relevant and thought-provoking to ensure that your essay captures the interest of your readers.
• Seek feedback: If you are struggling to choose a topic, seek feedback from peers, professors, or writing mentors. They can offer valuable insights and help you narrow down your options to select the most compelling topic for your essay.

Choosing the right personality essay topic is essential for creating a compelling and insightful piece of writing. By selecting a relevant and engaging topic that aligns with your interests and resonates with your audience, you can craft an essay that is both informative and captivating. Consider the tips provided in this article and explore the examples of personality essay topics to inspire your own writing and select the perfect topic for your next essay.

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What Is Personality?

Reviewed by Psychology Today Staff

From eccentric and introverted to boisterous and bold, the human personality is a complex and colorful thing. Personality refers to a person's distinctive patterns of thinking, feeling, and behaving. It derives from a mix of innate dispositions and inclinations along with environmental factors and experiences. Although personality can change over a lifetime, one's core personality traits tend to remain relatively consistent during adulthood.

While there are countless characteristics that combine in an almost infinite number of ways, people have been trying to find a way to classify personalities ever since Hippocrates and the ancient Greeks proposed four basic temperaments. Today, psychologists often describe personality in terms of five basic traits. The so-called Big Five are openness to experience , conscientiousness , extraversion , agreeableness , and neuroticism . A newer model, called HEXACO , incorporates honesty-humility as a sixth key trait.

The idea of a personality "type" is fairly widespread. Many people associate a " Type A " personality with a more organized, rigid, competitive, and anxious person, for example. Yet there’s little empirical support for the idea. The personality types supplied by the popular Myers-Briggs Type Indicator (MBTI) have also been challenged by scientists.

Psychologists who study personality believe such typologies are generally too simplistic to account for the ways people differ. Instead, they tend to rely on frameworks like the Big Five model of trait dimensions. In the Big Five model, each individual falls somewhere on a continuum for each trait—compared to the rest of the population, a person may rate relatively high or low on a trait such as extraversion or agreeableness , or on more specific facets of each (such as assertiveness or compassion). The combination of these varying trait levels describes one's personality.

To assess these individual differences, a variety of personality tests have been created. These tests commonly prompt people to indicate the extent to which various descriptions of thinking or behavior reflect their own tendencies. Based on a person’s responses, the test yields a “personality type” description (in the case of a test like the MBTI) or indicates how one compares to other respondents on a number of traits (in the case of the Big Five Inventory or similar measures).

To learn more, see Personality Traits and Personality Tests.

Personality psychology—with its different ways of organizing, measuring, and understanding individual differences—can help people better grasp and articulate what they are like and how they compare to others. But the details of personality are relevant to more than just a person's self-image .

The tendencies in thinking and behaving that concepts like the Big Five represent are related to a variety of other characteristics and outcomes on which people compare to one another. These include differences in personal success, health and well-being, and how people get along with others. Even the risk of dying appears to be associated to some degree with differences in personality traits.

Personality also crosses into the realm of mental health: Professionals use a list of personality disorders involving long-term dysfunctional tendencies to diagnose and treat patients. Among the categories used by psychiatrists and clinical psychologists are the commonly discussed narcissistic personality disorder, borderline personality disorder, and antisocial personality disorder—but a major diagnostic guide, the DSM , includes 10 personality disorders in total.

To learn more, see Personality and Life Outcomes and Personality Disorders.

Why individuals develop the personalities they do and how much someone’s personality typically changes over time are some of the biggest questions in personality psychology. Science provides some answers, but there is still plenty of room for debate and exploration.

Genetics partly helps to account for differences in personality traits, but other influences certainly play a role. A range of theories of personality have been proposed to explain what personality is and why individuals become who they are, with some focusing more heavily than others on potential non-genetic factors, such as a person’s taking on new social roles (like spouse or parent).

Despite its day-to-day stability, personality can change in the long term, potentially to a substantial degree over the course of a person’s life. Research suggests that people tend to show signs of increasing maturity (including, for instance, increased social sensitivity) in their personality test scores as they grow older. It may even be possible to deliberately change aspects of one’s own personality by making a repeated effort to behave differently.

To learn more, see Theories of Personality and Can Personality Change?

Discover how low conscientiousness can be an unexpected advantage, fueling creativity and innovation in top-performing teams. Cognitive diversity drives real success at work.

Why do parenting practices that worked well with one child not work for the other children? Individual differences and child temperament likely hold the answer.

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Home / Essay Samples / Education / Class Reflection / A Reflection About Myself and My Personality

A Reflection About Myself and My Personality

• Category: Education , Life
• Topic: Class Reflection , Personal Experience , Personality

Pages: 3 (1298 words)

Views: 38867

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