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ESTJ-TD (Executive Turbulent Dark) Love & Career Guide

    ESTJ-TD、幹部、Executive

    In meetings when everyone around you is rushing to reach conclusions, have you ever felt “I want to consider this more carefully”?
    While you have the talent to run organizations efficiently, you may sometimes feel anxious inside, thinking “Is this decision really okay?”
    Those of you who are ESTJ-TD may be experiencing exactly this kind of situation.
    Precisely because your sense of responsibility is exceptionally strong, you may notice yourself demanding perfection too much.

    In this article, we will deeply explore the characteristics of your **personality that excels in organizational skills and efficiency**.
    We will share insights about the conflicts you feel in love and work, and hints for shining in your own way.
    The question “Why do I feel this way?” will surely be resolved.

    Once again, personality researcher and author of Villain Encyclopedia, Tokiwa (@etokiwa999), will provide the explanation.
    ※We have developed the HEXACO-JP Personality Assessment! It has more scientific basis than MBTI. Tap below for details.

    目次

    Overview of HEXACO

    What is HEXACO

    “Have you ever wanted to know your personality in more detail?”
    A new personality model called HEXACO can answer your questions.
    This is a groundbreaking method that represents human personality through six elements.
    The six letters H, E, X, A, C, O each represent different aspects of personality.

    The six elements that make up your personality:

    • H: Honesty-Humility
    • E: Emotionality
    • X: eXtraversion
    • A: Agreeableness
    • C: Conscientiousness
    • O: Openness

    This model can analyze personality in more detail than conventional ones.
    Particularly with the addition of the new element of “Honesty-Humility,” deeper self-understanding has become possible.
    It might feel like the pieces of the complex puzzle of personality have finally come together.

    64 Classifications by HEXACO

    Each of the six elements is classified into 64 types based on high and low levels. Specifically, they are as follows.

    • H: Honesty-Humility
      • High → Light (L: Light)
      • Low → Dark (D: Dark)
    • E: Emotionality
      • High → Turbulent Type (T: Turbulence)
      • Low → Assertive Type (A: Assertiveness)
    • X: eXtraversion
      • High → Extrovert Type (E: Extrovert)
      • Low → Introvert Type (I: Introvert)
    • A: Agreeableness
      • High → Feeling Type (F: Feeling)
      • Low → Thinking Type (T: Thinking)
    • C: Conscientiousness
      • High → (J: Judging)
      • Low → (P: Prospecting)
    • O: Openness
      • High → Intuitive Type (N: iNtuitive)
      • Low → Sensing Type (S: Sensor)

    These are connected like 16personalities to express types. Now let’s introduce each type!

    What is ESTJ-T(Executive・Cautious Type)?

    ESTJ-T is a type with high extraversion (E), low openness (S), low agreeableness (T), high conscientiousness (J), and high neuroticism (T) in the Big Five. Characteristics:

    • Strong sense of responsibility and perfectionism
    • Anxiety about leadership
    • Logical thinking and practical approach
    • Sensitivity to social evaluation
    • Attachment to rules and order

    They set high standards and work diligently to achieve them. However, they also sometimes have doubts about their abilities and decisions. While they make judgments based on logical thinking and experience, they may feel stressed when adapting to new situations.

    In interpersonal relationships, they value clear expectations and efficiency, but are sensitive to criticism from others. They tend to feel stressed by change and uncertainty, but this also becomes the driving force for growth and improvement of leadership skills.

    Characteristics of ESTJ-TD

    Characteristic ① “Guardian who protects established systems”

    Have you ever felt “Why does everyone take rules lightly?”
    Those with ESTJ-TD personality will often experience exactly such situations.
    Traditions and rules are not just regulations for you.
    They are important foundations that maintain social stability.
    However, deep down you may harbor anxiety wondering “Is this method really okay?”
    Sometimes, in pursuit of efficiency, you may end up prioritizing your own judgment.

    Your commitment to order manifests in the following ways:

    • Finding comfort in established methods
    • Valuing organizational stability above all else
    • Being overly cautious about change
    • Sometimes allowing exceptions for the sake of efficiency

    These characteristics are proof that you are a “reliable pillar” of the organization.
    Anxiety and perfectionism are manifestations of your strong sense of responsibility.

    Characteristic ② “Executor who is passionate about producing results”

    Have you ever thought “Discussions are fine, but when will we actually take action?”
    You find value in producing concrete results rather than abstract discussions.
    Like an excellent architect, you excel at turning blueprints into real buildings.
    However, you may sometimes have anxiety wondering “Is this really the best approach?”
    Also, in your rush for results, you may sometimes leave others’ feelings behind.
    But this is not out of coldness, but rather due to your strong sense of responsibility.

    How your practical approach manifests:

    • Prioritizing actual results over theory
    • Being skilled at finding efficient solutions
    • Taking too much time on decisions due to seeking perfection
    • Tending to prioritize logic over emotions

    These are manifestations of your “power to give form to things.”
    Both anxiety and perfectionism stem from your desire for better results.

    Characteristic ③ “Leader who moves forward with confidence while struggling internally”

    When leading a team, do you appear confident on the outside but worry inside “Is this judgment correct?”
    This is the gap between external appearance and inner feelings that many ESTJ-TD individuals experience.
    You bring stability to organizations by establishing clear rules and standards.
    Like a skilled captain, you have the power to guide a ship even through storms.
    However, when encountering unexpected situations, you may feel inner turmoil.
    Sometimes you may notice yourself making judgments that suit your own convenience.

    Characteristics of your leadership:

    • Skilled at providing clear direction
    • Unafraid to take on responsibility
    • Feeling inner anxiety in unexpected situations
    • Sometimes becoming autocratic due to emphasis on efficiency

    This inner complexity is exactly what makes you human.
    Even if you’re not perfect, your leadership is relied upon by many people.

    Strengths and Weaknesses of ESTJ-TD

    Strengths of ESTJ-TD

    Your greatest weapon is the power to transform chaos into order.
    When looking at messy situations, while many people are confused about “where to start,” you can naturally identify priorities.
    Like a skilled conductor, you guide scattered performers into beautiful harmony.
    Also, your heart that values tradition makes you stand out as a precious presence that protects organizational culture.
    Your attitude of taking responsibility to the end, rather than just “doing and forgetting,” earns trust from those around you.
    Furthermore, your ability to produce actual results, not just theory, is your true value.

    The wonderful abilities you possess:

    • Genius-level organizational skills to sort out complex situations
    • Efficiency in eliminating waste and heading straight toward goals
    • Sense of responsibility to continue protecting organizational culture
    • Power to produce actual results rather than empty theories
    • Leadership that shows direction even in difficult situations

    These strengths sometimes go hand in hand with anxiety and doubt.
    However, this is exactly what makes your strengths more profound.

    Weaknesses of ESTJ-TD

    Have you ever thought, “Why do I feel so much stress from change?”
    This is actually “the result of strengths taken too far” that many ESTJ-TD individuals struggle with.
    Your mind that values order can sometimes close the door to new possibilities.
    Also, in pursuing efficiency, you may leave team members’ feelings behind.
    The thought “it must be perfect” becomes too strong, and you feel frustrated with yourself for being shaken by unexpected events.
    Furthermore, in rushing for results, you may sometimes make self-centered judgments.

    Challenges you tend to face:

    • Taking time to accept new ideas
    • Prioritizing efficiency and overlooking people’s emotions
    • Feeling stress easily when things don’t go according to plan
    • Feeling anxious about responding to unexpected situations
    • Prioritizing your own judgment too much

    These challenges are definitely not flaws in your personality.
    Rather, they are “growth opportunities” born from your strengths of strong sense of responsibility and perfectionism.

    ESTJ-TD’s Romantic Relationship Tendencies and Improvement Strategies

    Romantic Tendencies

    It’s characteristic of you to think “Can I seriously consider a future with this person?” in the early stages of dating.
    You tend to seek stable relationships with future prospects rather than frivolous romance.
    Like building a house, you try to build love on a solid foundation.
    You often express love to your partner through actions rather than words.
    However, you may also feel anxious wondering “Does my partner really understand my feelings?”
    Also, in emphasizing efficiency and rationality, you may sometimes overlook your partner’s emotional needs.

    Characteristics of your romantic style:

    • Considering romance with long-term relationships in mind
    • Being a trustworthy partner who always keeps promises
    • Being good at showing love through actions
    • Prone to anxiety about the relationship’s future
    • Sometimes emphasizing practical aspects too much

    These romantic tendencies are expressions of your sincerity and sense of responsibility.
    Even if you sometimes feel anxious or emphasize efficiency too much, it’s because you care deeply about your partner.

    When Romance Becomes Problematic and Improvement Strategies

    Have you ever felt “Why does my partner only talk about emotional things?”
    This is one of the biggest challenges many ESTJ-TD individuals face in romance.
    You tend to focus on solving problems, but your partner might simply want their feelings heard.
    Also, anxiety about “Is this relationship really okay?” might be too strong, making you oversensitive to trivial matters.
    Furthermore, you might prioritize your own values and plans too much, leaving your partner’s feelings behind.
    But it’s okay. These are challenges that can be improved.

    Tips for enriching your romantic life:

    • Listen to your partner’s feelings first rather than offering solutions
    • Talk frankly with your partner when you’re anxious
    • Value your time together over efficiency
    • Make an effort to respect your partner’s values too
    • Know that love can grow even without a perfect relationship

    Your sincerity and sense of responsibility are a great source of security for your partner.
    Just being slightly more conscious of emotional considerations should deepen your relationship further.

    ESTJ-TD’s Friendship Tendencies and Improvement Strategies

    Friendship Tendencies

    Have you experienced friends thinking “Let’s consult with [your name] when we’re in trouble?”
    You tend to be valued as a trustworthy presence in friendships as well.
    Like a craftsperson who treasures old friendships, you prefer to maintain relationships once built for a long time.
    You’re good at deepening bonds through common goals and activities, and try to support friends in concrete ways.
    However, you may also feel anxious wondering “Do my friends really understand me?”
    Also, in emphasizing efficiency and results, you might sometimes judge friendships by “whether they’re useful for something.”

    Characteristics of your friendship style:

    • Loyalty in treasuring long-time friends
    • Nurturing friendship through common hobbies and goals
    • Providing concrete help in times of trouble
    • Seeking stability in friendships too
    • Measuring the value of relationships in practical terms

    These kinds of friendships are expressions of your sincerity and sense of responsibility.
    Even if you sometimes feel anxious or become utilitarian, it’s because you value friendship.

    When Problems Arise in Friendships and Improvement Strategies

    Have you ever felt frustrated thinking “Why does this friend always want to change plans?”
    For you, schedules are meant to be kept, but for your friend, they might be something to change flexibly.
    Also, when a friend becomes emotional, you might think “I wish they would think more logically.”
    You may even feel guilty about calculating whether “this friendship is beneficial to me.”
    Furthermore, you might create distance with friends by imposing your values or advice on them.
    But don’t worry. These are challenges that can be improved.

    Tips for deepening friendships:

    • Try to see your friends’ different values as interesting
    • Enjoy plan changes as opportunities for new discoveries
    • Focus on showing empathy rather than giving advice
    • Measure the value of friendship by emotional richness rather than profit and loss
    • Accept your friends’ emotional sides too

    Your loyalty and execution ability are irreplaceable treasures to your friends.
    By adding just a little flexibility, friendships should become much more vibrant.

    ESTJ-TD Parenting Tendencies and Improvement Strategies

    Parenting Tendencies

    Do you ever feel “I need to teach this child properly now so they won’t struggle in the future?”
    Your parenting is filled with loving responsibility.
    Like an experienced mentor, you try to convey what’s important in life to your child.
    You strive to provide a stable environment for your child by setting clear rules and expectations.
    You also tend to focus on developing practical skills and independence.
    However, you often harbor anxiety wondering “Is this way of raising really okay?”
    Furthermore, in emphasizing results, you sometimes prioritize outcomes over your child’s feelings.

    Characteristics of your parenting style:

    • Planned educational approach with an eye toward the future
    • Carefully passing down traditional values
    • Thoroughly teaching life skills
    • Endless worry about your child’s future
    • Tendency to emphasize achievements and results

    This parenting approach is an expression of deep love for your child.
    Feeling anxious or seeking results too much is also because you wish for your child’s happiness.

    When Problems Arise in Parenting and Improvement Strategies

    Are there moments when you feel “Why won’t this child listen?”
    You may sometimes feel confused by your child’s free thinking and unexpected behavior.
    The clear rules you set are for your child’s safety, but sometimes they can restrict your child’s individuality.
    Also, you might become anxious thinking “I’m worried about the future with these grades” and put too much pressure on your child.
    Furthermore, in emphasizing efficiency, you may overlook your child’s emotional needs.
    But it’s okay. With your loving nature, you can definitely improve.

    Tips for enriching your relationship with your child:

    • Enjoy the pleasure of discovering your child’s personality and interests
    • Teach that rules can have exceptions too
    • Praise not just results but the process of effort
    • Make time to listen to your child’s emotions
    • Convey that they are loved even when not perfect

    Your love and sense of responsibility become the foundation of your child’s life.
    By adding a little flexibility, the parent-child relationship will become much warmer.

    ESTJ-TD Career Tendencies and Improvement Strategies

    Career Tendencies

    “Don’t you ever feel like ‘I could run this organization much more efficiently’?”
    You have natural management abilities.
    Like a skilled orchestra conductor, you have the talent to harmoniously operate complex organizations.
    Your abilities are maximized in environments with clear goals and structure.
    While you excel in management positions and positions of responsibility, you also have aptitude for professions that value discipline and order.
    However, you may sometimes feel anxious wondering “Can I really fulfill those responsibilities?”
    Also, in seeking stability, you may sometimes avoid new challenges.

    Career fields that suit you:

    • Executives and managers who steer organizations
    • Legal professions that protect justice and order
    • Financial analysts who create value through numbers and logic
    • Managers who coordinate complex projects
    • Civil servants where discipline and responsibility are required

    Such career orientation is a manifestation of your organizational skills and sense of responsibility.
    Feeling anxious and seeking stability are precisely because you understand the weight of responsibility.

    When Problems Arise in Career and Improvement Strategies

    “Why do younger generations always propose new ways of doing things?” Have you ever felt this way?
    The traditional methods you value are packed with wisdom cultivated over many years.
    However, with the flow of time, situations requiring new approaches have also increased.
    Also, due to anxiety that “changing jobs or new projects might fail,” you may sometimes pass up opportunities.
    Furthermore, in rushing for results, you may leave team members’ feelings behind.
    But don’t worry. By combining your experience with new knowledge, you can produce even greater results.

    Points for further developing your career:

    • Find joy in learning new technologies and ideas
    • Take calculated risks without fearing failure
    • Adapt to the times through continuous learning
    • Understand team members with diverse values
    • Balance short-term efficiency with long-term relationships

    Your experience and organizational skills are valuable assets in any era.
    By incorporating new elements, your career should shine even brighter.

    ESTJ-TD Work Tendencies and Improvement Strategies

    Work Tendencies

    “Why does everyone panic only when deadlines approach?” Have you ever thought this?
    You are the type who makes plans and executes them steadily.
    Like a precision timepiece, you reliably produce results according to set schedules.
    You have a strong sense of responsibility and always try to meet promised deadlines.
    You’re also skilled at clarifying role assignments within teams and improving overall efficiency.
    However, you may worry about details, wondering “Will this method really produce the best results?”
    Furthermore, in emphasizing efficiency, you may sometimes proceed without sufficiently listening to colleagues’ opinions.

    Characteristics of your work style:

    • Reliably produce results through planning and execution
    • Obsess over quality and don’t allow compromise
    • Constantly think about improving team efficiency
    • Sometimes spend too much time seeking perfection
    • Tend to overlook others’ opinions when prioritizing efficiency

    Such attitudes toward work are manifestations of your sense of responsibility and drive for improvement.
    Both perfectionism and efficiency focus arise from your desire for better results.

    When Problems Arise at Work and Improvement Strategies

    When you receive notice of sudden specification changes or schedule changes, have you ever inwardly sighed “Back to square one again”?
    This is one of the biggest stresses that many ESTJ-TD individuals experience in the workplace.
    The feeling of helplessness when everything goes awry due to unexpected situations, despite having made perfect plans, is painful.
    Also, the thought “I must create something better” may be so strong that you never reach completion.
    Furthermore, in emphasizing efficiency, you may sometimes realize you’ve overlooked team members’ contributions.
    But it’s okay. These challenges can be improved.

    Tips for expanding your workplace success even further:

    • View changes positively as new possibilities
    • Recognize that even 80% completion has value
    • Actively seek team members’ ideas
    • Learn stress relief methods
    • Consider collaborative relationships in the process as part of the results

    Your planning and execution abilities are talents that would be valued in any workplace.
    By adding a little flexibility, that value will increase even further.

    Compatible Types with ESTJ-TD

    Compatible types with S included

    Isn’t there someone you feel “easy to communicate with”?
    That person is likely an S-type who thinks realistically and practically like you.
    Since you both value “what specifically to do,” conversations flow smoothly.
    Like companions who speak the same language, you don’t struggle with communication.
    Especially with those who share values of cherishing tradition and stability, you can build deep trust relationships.
    However, if the other person is a type that values emotions, be careful that your logical approach doesn’t come across as cold.
    While practical cooperation is excellent, don’t forget to cherish emotional connection as well.

    Characteristics of S-types who match your wavelength:

    • ISFJ (A reliable partner who supports with a warm heart)
    • ESTJ (A comrade who can cooperate with shared values)
    • ISTJ (A trustworthy presence who quietly but steadily advances things)
    • ESFJ (A companion who supports the organization while valuing human relationships)

    In relationships with these types, you can leverage each other’s practical abilities.
    However, by also being mindful of emotional communication, the relationship will deepen further.

    Compatible types with D included

    Isn’t there someone you intuitively feel “I could succeed in business with this person”?
    That might be a D-type person who, like you, values results and is passionate about achieving goals.
    Since you both pursue efficiency and results, you can build powerful partnerships in shared projects.
    Like experienced mountaineers, you can cooperate to reach the summit even with difficult goals.
    Especially with types that combine strategic thinking and execution ability, you can produce great results.
    However, since both parties have strong opinions, sometimes opinions may clash.
    In such moments, making an effort to understand each other’s perspectives becomes crucial.

    Characteristics of D-types you can join forces with:

    • ENTJ (An ideal partner with grand vision and execution ability)
    • ESTJ (A comrade who shares values and can grow through friendly rivalry)
    • INTJ (A companion who aims for long-term success through strategic thinking)
    • ISTJ (A reliable presence who supports goal achievement with steady execution ability)

    In relationships with these types, you can achieve big goals by leveraging each other’s strengths.
    However, by focusing on cooperation rather than competition, you can produce even better results.

    ESTJ-TD Summary

    You have the natural talent to move organizations and guide people.
    Sometimes you may feel anxious wondering “Do I really have the qualifications as a leader?”
    But that anxiety itself is the driving force that makes you a true leader.
    Your approach of valuing tradition while pursuing efficiency, taking responsibility and moving forward, gives hope to many people.
    Even if you’re not perfect, even if you have doubts, you are already a sufficiently valuable existence.
    Please continue to be yourself and demonstrate those wonderful abilities.

    Your core characteristics:

    • Excellent organizational ability to transform chaos into order
    • Wisdom to balance tradition and innovation
    • Execution ability to produce results even in difficult situations
    • Caution born from strong sense of responsibility
    • Motivation for continuous growth

    Your life is like a magnificent symphony.
    Sometimes melodies of confusion may mix in, but that too is part of the beautiful harmony.

    FAQや注意点

    HAXACOの結果と、16personalities(通称MBTI診断)やMBTI(本家)と結果が変わる

    1. 性格は遺伝と環境の影響を受けるため、環境が変われば回答も変わります(例、疲れてると情動性が変化するなど)。遺伝について詳しくはこちら
    2. 年齢次第で回答のブレがあります。詳しくはこちら
    3. タイプ分類は各数値が3以上、3未満で行っているため、3に近い値だと、質問の聞き方やその時の環境次第で結果が変わりやすくなります。タイプよりも数値を見てください。
    4. MBTI(本家)や16personalities(通称MBTI診断)は質問設計の段階でどの程度統計的な処理をしているか論文が見当たらないため不明確です。一方で、ビッグファイブやHEXACOはそういった論文が簡単に見つかりますし、今回のHEXACO-JP診断は論文ベースです。
    5. MBTIや16personalitiesは普段の行動(学力年収など)や、・遺伝などとの比較した研究論文があまり多くない一方で、ビッグファイブやHEXACOは数多く存在します。
    6. そもそもHEXACOはビッグファイブの要素の変形なので似て非なるものです。HEXACOの正直・謙虚さは、ビッグファイブの協調性と神経症傾向から抽出されています。下記「補足」参考。

    その他にもご質問があれば運営者のトキワ(@etokiwa999)までご連絡ください。

    性格診断の結果はあくまで人生の「ヒント」まで

    先にも書きましたが、性格は遺伝と環境の影響を受けます。遺伝の影響で、ブレ幅は一定ですが、環境次第である程度答えがブレます。

    またビッグファイブやHEXACOの研究論文では学力や年収などと相関分析をしていますが、自然科学の実験ほど大きな相関係数ではありません。相関係数は最小-1、最大1ですが、だいたい-0.4~0.4ほどが多いです。もちろん高いものもあります。0.8や0.9ではなく、それに比べたら低いです。

    ただそれでも様々な研究はありますので、「占い以上、自然科学未満」と思ってください。心理学や占いを100%否定しているわけではありません。

    補足

    16personalities(通称MBTI診断)の概要

    16personalities(16タイプ性格診断)は、MBTI(Myers-Briggs Type Indicator)とビッグファイブをベースにして作られています。

    厳密には16personalitiesとMBTIは別物なのです。

    MBTIは、ユングの心理学的類型論を基に開発された性格診断ツールです。

    16personalitiesはMBTIの4つの指標(E外向-I内向S感覚-N直観T思考-F感情J判断-P知覚)を採用しつつ、アイデンティティ(AとT)という指標の追加、独自の質問項目・評価基準を設けています。

    この性格診断の良いところとしては、韓国アイドルが広めたり、恋愛マッチングアプリでも使われたりするなど、とても有名で、回答数がとても多いことにあります。それを利用して分析して論文として公開すれば信頼性は高いかもしれません。

    ただし、悪いところとしては、科学的な裏付けが弱いところがあります。査読付き論文の数が少ない、統計処理の方法が不明確、性格と学力・収入・脳機能・遺伝的要因などとの関連性について十分な根拠が提示されていない、などが理由です。

    MBTI(本家)の概要

    MBTIは性格を16タイプに分類する心理学の理論です。

    そもそもMBTIとは、マイヤーズ・ブリッグス・タイプ・インジケーター(Myers-Briggs Type Indicator)の略称です。

    MBTIでは、以下の4つの指標を組み合わせて性格を16タイプに分類します。

    つまり、MBTIでは自分の性格傾向を「ISTJ」や「ENFP」などの4文字で表現するのです。

    16personalitiesよりは論文は存在しますが、ビッグファイブやHEXACOほど頑健な研究結果が出ているわけではありません。

    ビッグファイブの概要

    性格心理学において最も有力な特性理論の一つが「ビッグファイブ(Big Five)」です。

    ビッグファイブは、開放性誠実性外向性協調性神経症傾向の5つの特性を測定します。

    また、16personalitiesやMBTIはタイプ分類(例、外向的か内向的かのどちらか)を用いるのに対して、ビッグファイブが特性を連続的な数値で評価する(例、外向性3.5)点も大きな違いです。

    さらに、古くから研究されており、論文数も多く、学力や所得、脳や遺伝など、他の分野でも多くの研究が行われています。ビッグファイブの方が比較的、科学的な裏付けが強いと言えます。

    MBTI・ビッグファイブ・HEXACOの相関関係

    MBTIの4指標とビッグファイブの5因子には相関関係があります。

    この相関を示した代表的な研究に、「The relationship between the revised NEO-Personality Inventory and the Myers-Briggs Type Indicator」という論文があります。

    また、MBTI(本家)とビッグファイブを参考にして作られた16personalities(通称MBTI診断)では、ビッグファイブの神経症傾向が「アイデンティティ」と呼ばれており、自信(Assertive)か、慎重(Turbulent)かで分類されています。

    これらの関係をまとめたのが以下の図です。

    一番右には、比較的新しい性格診断である「HEXACO(ヘキサコ)」があります。ビッグファイブに1つ指標「正直・謙虚さ」を加えて改良され、ダーク特性(倫理観)が分かるようになりました。

    今回のHEXACO-JP性格診断では16personalitiesの5文字に加えて、ダークD/ライトLを付けてより詳細に分析できるようにしています。

    Writer & Supervisor: Eisuke Tokiwa
    Personality Psychology Researcher / CEO, SUNBLAZE Inc.

    As a child he experienced poverty, domestic abuse, bullying, truancy and dropping out of school — first-hand exposure to a range of social problems. He spent 10 years researching these issues and published Encyclopedia of Villains through Jiyukokuminsha. Since then he has independently researched the determinants of social problems and antisocial behavior (work, education, health, personality, genetics, region, etc.) and has published 2 peer-reviewed journal articles (Frontiers in Psychology, IEEE Access). His goal is to predict the occurrence of social problems. Spiky profile (WAIS-IV).

    Expertise: Personality Psychology / Big Five / HEXACO / MBTI / Prediction of Social Problems

    Researcher profiles: ORCID / Google Scholar / ResearchGate

    Social & Books: X (@etokiwa999) / note / Amazon Author Page