INTJ-AD Architect Dark Confidence: Love & Career Guide

Have you ever felt in a meeting, while everyone around you was rushing to conclusions, “I want to think about this more deeply”?
When faced with complex problems, you actually get excited…
If you’ve had such experiences, you might be an INTJ-AD type.

INTJ-AD is a personality that draws meticulous blueprints like an architect while simultaneously seeking bold innovation.
You might appear “cool and confident” to others, but in reality, you’re constantly painting an ideal world in your inner mind.

You’re quick-witted and skilled at problem-solving like solving complex puzzles.
But sometimes, don’t you find yourself puzzled by the “overly emotional” reactions of those around you?

In this article, we’ll help you understand the gap between your inner and outer self, and share ways to better utilize your innate talents.
You should find hints for building richer human relationships while cherishing your authentic self.

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.

Overview of HEXACO

What is HEXACO

Have you ever thought, “I wish I could understand the inside of my mind better”?
HEXACO illuminates your personality through six dimensions, like a map of the heart.
Even aspects of yourself that were previously invisible will emerge with surprising clarity.

These six elements shape your individuality:

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

Just as a prism breaks down light, HEXACO makes your complex mind comprehensible.
Particularly with the addition of the new perspective of “Honesty-Humility,” more precise analysis has become possible.
You’re sure to make surprising new discoveries about yourself.

What is HEXACO? Overview, Genetics, Diagnosis & MBTI Relations

64 Classifications by HEXACO

The combination of high and low for each of the six elements creates 64 different personality patterns.
It’s truly like a unique fingerprint of your heart.

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

By combining these, your unique personality type emerges.
Now, let’s explore your inner world together!

What is INTJ-A (Architect・Assertive)?

As an INTJ-A, you might be like someone drawing blueprints for a futuristic city in your mind.
You’re introverted yet intuitive, value logic, are systematic, and possess unwavering confidence.

• Strategic thinking that reads several moves ahead like chess
• Decision-making ability that remains unshaken even in storms
• An attitude that trusts data over emotions
• Long-term vision that sees the ideal image 10 years from now
• Resilience that transforms pressure into fuel

You have deep faith in your own abilities and tend to use criticism as constructive material.
You pursue the aesthetics of efficiency and want to create perfect systems that eliminate waste.
Even though your emotional expression may be modest, your inner passion may burn hotter than anyone else’s.

INTJ-A (Architect-Assertive) Explained Scientifically

Characteristics of INTJ-AD

Characteristic ① “Independent and confident strategist”

You may be the type who gains the deepest insights when spending time alone.
Even when faced with challenges that others say are “impossible,” you feel “this looks interesting.”
Do you have any experience like this?

Just like an architect drawing blueprints, you construct perfect plans in your mind.
Rather than being influenced by others’ opinions, you tend to trust your own intuition and logic.
You’re good at setting long-term goals and finding the shortest route to reach them.

When everyone is confused in meetings, aren’t you calmly observing the big picture from above?
In fact, the following characteristics serve as your strengths:

• Logical decision-making ability without being swayed by emotions
• Creativity and innovation that transcends existing frameworks
• Learning desire to continuously grow

However, this high level of independence can sometimes be misunderstood as “cold” by others.
Your strategic thinking may actually be born from deep compassion.
As an INTJ-AD, you are an architect who builds the ideal future with confidence and independence as your weapons.

Characteristic ② “Values logical thinking and tends to dismiss emotions”

“Why do you think that? What’s the evidence?” Don’t you want to ask this?
For you, clear data is far more reliable than vague emotional arguments.
Like a scientist, you try to approach truth by accumulating facts.

When colleagues become emotional at work, you may be calmly seeing through to the essence of the problem.
Don’t you have the belief that “emotions are temporary, but logic is permanent”?
This is not coldness, but a manifestation of your pure desire to find optimal solutions.

However, this characteristic can also create misunderstandings in human relationships.
For example, in situations like these:

• Offering solutions when the other person is seeking empathy
• Prioritizing logical correctness and overlooking the other person’s feelings
• Dismissing emotions in the process while pursuing efficiency

But in fact, your logical thinking is the key to solving complex problems.
It’s a valuable ability to find truly valuable solutions without being confused by emotions.
It’s important to understand and utilize this “misunderstood strength.”

Characteristic ③ “Has high intellectual curiosity and originality but may have low ethical standards”

“There must be a completely different approach than before” – don’t you think this way?
Your mind may be in a constant state like an experimental laboratory for new ideas.
You doubt existing concepts, and questions like “Why?” and “What if…?” never stop.

You’re the type who can spend hours in a library and feel pure joy in absorbing knowledge.
Not satisfied with common answers, you want to reconstruct things from your unique perspective.
This insatiable spirit of inquiry is the driving force that creates innovative breakthroughs.

However, your strong will to achieve goals sometimes puts ethical considerations on the back burner.
You tend to fall into the thinking of “as long as the results are good, the process doesn’t matter.”
Your intellectual curiosity and originality may manifest in the following ways:

• Feeling attracted to complex problems that no one has challenged before
• Questioning “common sense” and devising completely new methods
• Attitude of constantly evolving through continuous learning

However, this strength may sometimes create friction with others.
For example, you may dismiss others’ emotions while pursuing efficiency.
By balancing intellectual curiosity with ethical consideration, you can become a true innovator.

Strengths and Weaknesses of INTJ-AD

Strengths of INTJ-AD

Your brain may work like a high-performance computer.
Your ability to instantly organize complex information and see through to the essence is probably respected by those around you.
Even in chaotic situations, you can calmly grasp the big picture and chart a path to solutions.

Getting excited by the words “no one has ever done this” is a manifestation of your originality.
You also have the strength of will to continue moving toward goals you’ve set without wavering.
Like a compass that doesn’t lose direction even in a storm, you have unwavering confidence.

Aren’t there situations where you demonstrate your abilities more as pressure increases?
Your strengths particularly shine in situations like these:

• When organizing chaotic situations and formulating strategies
• When proposing innovative ideas that no one else noticed
• When beautifully designing complex systems

You are skilled at creating plans looking 10 years into the future and are not swayed by short-term emotions.
Your ability to utilize both data and intuition to derive optimal solutions is a valuable talent.
When your logical thinking and creativity combine, truly innovative solutions are born.

INTJ-AD Weaknesses

Have you ever thought “Why does everyone get so emotional? I don’t understand”?
Your logic-first thinking may sometimes be misunderstood by others as being “cold.”
Even though you truly have deep compassion, it may be difficult to convey this.

In situations requiring teamwork, you may unconsciously proceed alone.
The mindset of “it’s faster if I do it myself” makes it difficult to build cooperative relationships.
Also, because you make judgments with confidence, you may have difficulty accepting others’ opinions.

Your passion for achieving goals may be so strong that you might sometimes use any means necessary.
Your weaknesses are likely to appear in situations like these:

• Human relationship situations requiring emotional consideration
• Consultation situations where empathy or support is sought
• When ethical judgment conflicts with efficiency

In your pursuit of perfection, you may be too harsh on both yourself and others.
You might feel confused when unexpected changes or emotional responses are required.
But these are not “flaws” – they are “overly strong talents” that can shine when balanced.

INTJ-AD Romantic Relationship Tendencies and Improvement Strategies

INTJ-AD Romance Tendencies

Do you find yourself taking a strategic approach to romance as well?
For you, romance may be more of an intellectual adventure of understanding each other rather than surrendering to an emotional storm.
You tend to think from a long-term perspective: “What kind of future could I build with this person?”

When choosing a partner, you value intelligence and values over appearance.
You probably feel special attraction to someone you can talk with until late at night.
You often express love through actions rather than words, thoroughly thinking through optimal solutions for your partner.

Once you open your heart, you give your all to make that relationship perfect.
However, you’re not good at emotional games and prefer straightforward communication.
Your romance style has these characteristics:

• Think “What can I do for you?” rather than saying “I love you”
• Highly value your partner’s intelligence and independence
• Idealize efficient and constructive relationships

Because you have high expectations, you may demand the same level from your partner.
You may tend to overlook your partner’s emotions while prioritizing goal achievement.
But your love is deep and sincere, and you have devoted feelings.

Ideal Partner Personality: 3 Traits for Lasting Love

When Romance Becomes Problematic and Improvement Strategies

Have you ever experienced saying “Here’s how to solve your problem” and getting angry reactions instead?
Your logical advice sometimes creates dissatisfaction of “not feeling understood.”
What your partner may be seeking is not solutions, but understanding of their feelings.

You may also struggle to understand “Why are you crying over something like that?”
Your confident judgment sometimes leads to conclusions before listening to your partner’s opinions.
You tend to try eliminating the “wasted time” of romance in favor of efficiency.

To improve these challenges, these approaches are effective:

• Develop the habit of first asking “How do you feel?” to hear your partner’s emotions
• Try expressing your own emotions as “one piece of data”
• Adopt the perspective that “partner’s happiness = your success”

Don’t over-“optimize” romantic relationships – try to value seemingly meaningless time as well.
Sometimes it’s necessary to set logic aside and simply enjoy emotional exchange.
By respecting your partner’s values and finding the “optimal solution” unique to you two, deeper bonds are formed.

MBTI & Love: All 16 Types’ Romantic Traits Explained

INTJ-AD Friendship Tendencies and Improvement Strategies

Friendship Tendencies

Do you have friends where “talking with this person makes me lose track of time”?
For you, friendship is about relationships where you can share intellectual stimulation rather than superficial interactions.
You tend to value friends with whom you can have deep dialogue once a month over seeing someone once a week.

You probably feel special value in friends you can spend hours discussing philosophy or science with at a café.
You respect each other’s independence and prefer appropriate distance rather than “clingy” relationships.
For friends with problems, you try to provide practical solutions rather than emotional comfort.

You don’t fear differences of opinion; rather, you can enjoy them as constructive discussions.
You sincerely wish for your friends’ growth and success, and don’t hesitate to give tough advice for their sake.
Your friendships have these characteristics:

• Choose friends who can share in intellectual discussions and new discoveries
• Receive consultations with “What do you think?” rather than “Help me”
• Respect friends’ independence and avoid excessive interference

Sometimes you might prioritize efficiency and overlook the emotional needs of your friends.
However, you show surprisingly devoted and loyal attitudes toward trustworthy friends.
Your friendships are deep and valuable relationships that last long.

How Personality Type Shapes Friendship Quality & Formation

When Problems Arise in Friendships and Solutions

Have you ever been told by a friend, “I wished you had listened to me more”?
Your problem-solving orientation can sometimes be perceived as “cold.”
When the other person is seeking emotional support, you might present logical analysis instead.

Also, your strong convictions might make friends feel like you’re dismissing their thoughts.
What’s “right” and what the other person “wants to hear” are not necessarily the same.
Your passion for achieving goals might also cause you to overlook your friends’ feelings.

To overcome these challenges, the following approaches are effective:

• Practice first acknowledging the other person’s emotions by saying “That must have been tough”
• Try honestly sharing your own experiences and emotions
• Prioritize “understanding” over “being right”

While intellectual exchange is important, sometimes you need time for mindless silly conversations too.
Temporarily set aside logical correctness and enjoy emotional connections with your friends.
Having an attitude of observing your friends’ values and emotions as interesting “data” can help you build richer friendships.

MBTI & Friendship: 16 Types’ Tendencies & Tips

INTJ-AD Parenting Tendencies and Improvement Strategies

Parenting Tendencies

Don’t you get excited when your child asks you “Why?”
For you, parenting might be like a project to raise a little genius.
You tend to be passionate about stimulating your child’s intellectual curiosity and developing their logical thinking skills.

You take the approach of “teaching how to fish rather than giving fish,” emphasizing your child’s independence.
You make educational plans with the future in mind and try to maximize your child’s potential.
Rather than being swayed by emotions, you watch over your child’s growth from an objective perspective.

When your child faces difficulties, you think about fostering their ability to solve problems themselves rather than immediately helping.
You have high expectations and tend to demand high-quality results from your child as well.
Your parenting style has the following characteristics:

• Actively planning visits to libraries and museums
• Frequently using questions like “What do you think?” and “Why does that happen?”
• Not being overprotective and maintaining an attitude of watching over your child’s challenges

Sometimes you might respond too strictly.
But you are a loving parent who seriously considers your child’s future and tries to do your best.
A balance is needed that values emotional growth along with intellectual development.

Ideal Parent Personality Traits: What 30 Studies Reveal

When Problems Arise in Parenting and Solutions

Have you ever said “Why are you crying? Explain the reason” when your child was crying?
There are situations where your logical approach doesn’t match your child’s emotional needs.
What your child might be seeking is understanding or empathy, not necessarily solutions.

Also, high expectations can put pressure on your child.
Your confident judgment might sometimes overlook your child’s opinions and feelings.
In prioritizing efficiency, you tend to try to cut down on your child’s “wasteful” playtime.

To improve these challenges, the following approaches are effective:

• First acknowledge your child’s emotions by saying “I see”
• Try sharing your own emotions and experiences at your child’s level
• Respect your child’s personality and direction of interests

While intellectual growth is important, time spent doing silly things together and laughing is also necessary.
Temporarily forget about logical education and purely enjoy time with your child.
By having the perspective that “child’s happiness = top priority goal,” you can build a richer parent-child relationship.

MBTI & Parenting: All 16 Types’ Strengths & Pitfalls

INTJ-AD Career Tendencies and Improvement Strategies

Career Tendencies

Don’t you think “This system should be able to be made more efficient”?
For you, your career is a stage where you can fully demonstrate your strategic thinking and originality.
You find joy in tackling complex problems and discovering solutions that no one else noticed.

You tend to seek environments with constant new challenges rather than routine work.
You’ll be attracted to workplaces where you can satisfy your intellectual curiosity while improving your skills.
You aim for positions where you can demonstrate leadership and realize your own vision.

The more difficult the goal, the more fired up you become, and you excel at creating plans to make the impossible possible.
You have the power to move forward with confidence, bringing others along with you.
Career fields where you can shine include the following:

• Management consultant restructuring chaotic organizations
• Researcher or scientist pioneering unknown fields
• Engineer creating innovative systems

Sometimes you may become overly competitive and lack cooperation.
However, in fields you’re passionate about, you demonstrate remarkable concentration and results.
Using logic and creativity as your weapons, you’re someone who brings fresh perspectives to industries.

Which Personality Traits Predict Career Success? 5 Key Findings

Career Challenges and Improvement Strategies

Have you ever felt “Why can’t everyone understand such simple things?”
Your high abilities can sometimes create a gap in understanding with colleagues.
In pursuing logical correctness, you might disregard others’ emotions and positions.

Also, your confident judgment might lead you to reach conclusions before listening to others’ opinions.
Your strong will for goal achievement might sometimes make you choose individual play over teamwork.
You tend to neglect organizational relationships while prioritizing efficiency.

To overcome these challenges, the following approaches are effective:

• Observe and understand others’ emotions and motivations as “interesting data”
• View teamwork as “a system for achieving greater results”
• Value ethical judgment as part of “long-term risk management”

Try to soften your perfectionist tendencies and develop flexibility to “move forward even with 80% completion.”
Combining your opinions with others’ might lead to even better solutions.
Actions that consider the benefit of the entire organization lead to true leadership.

MBTI & Career: Best Jobs for All 16 Personality Types

INTJ-AD Work Patterns and Improvement Strategies

Work Patterns

Have you experienced becoming calmer when under deadline pressure?
For you, work is like your own laboratory space.
You approach tasks with unique methods and create solutions no one else would think of.

When everyone is confused in meetings, you’re likely taking a bird’s-eye view to find the optimal solution.
You tend to value time to concentrate and work at your own pace.
You find difficult projects “interesting” and prefer setting high goals.

You’re eager to absorb new knowledge and technology, constantly aiming for skill improvement.
You pursue efficiency and want to build perfect, waste-free workflows.
Your work style has the following characteristics:

• Strategic planning looking ahead 5 to 10 years
• Questioning conventional methods and exploring innovative approaches
• Creating original ideas by combining data and intuition

Sometimes you may have tendencies to not be selective about means, which can surprise those around you.
However, you have the dedication to become completely absorbed in projects you judge as important, forgetting sleep and meals.
When your creativity and teamwork combine, truly groundbreaking results are born.

5 Personality Traits of High Performers: 550K Study

Work Challenges and Improvement Strategies

Do you ever feel “This method is clearly superior, so why isn’t it being adopted?”
Your confident ideas can sometimes be perceived as a lack of flexibility.
Even if logically correct, insufficient emotional consideration might invite backlash.

Also, by sticking too firmly to your own ideas, you might miss opportunities to listen to others’ opinions.
In pursuing efficiency, you might sometimes disrupt team harmony.
You tend to think some sacrifice is inevitable for goal achievement.

To solve these challenges, the following approaches are effective:

• Actively collect others’ opinions as “new perspective data”
• Treat emotions as important “information sources” and improve relationship quality
• Value ethical considerations as the “foundation of long-term success”

Don’t seek perfect solutions too intensely; sometimes finding compromise points is also important.
Try to find ways to balance the entire team’s motivation with your own goal achievement.
By understanding organizational values and proposing innovations aligned with them, you can exert greater influence.

MBTI & Work: All 16 Types’ Strengths, Pitfalls & Fixes

Compatible Types for INTJ-AD

Compatible types who contain N

Have you ever experienced getting excited talking about “what if” scenarios until late at night?
N-type people are companions who, like you, are attracted to the abstract world.
You’ll feel comfortable with partners who can discuss possibilities and theories rather than practical topics.

The good compatibility when you and N-type people are together:

• Can enjoy philosophical discussions for hours
• Can understand each other’s “unconventional” ideas
• Can highly appreciate and stimulate each other’s creativity

With ENTP, you can build a relationship that stimulates each other through an exchange of ideas.
With INTJ, there’s an intellectual bond sharing deep insights and long-term vision.
With INFJ and ENFP as well, there’s a special relationship where you can understand each other through unconventional thinking.

However, you both need to consciously consider emotional aspects.
By valuing not just intellectual stimulation but also emotional connection, you can build richer relationships.

Do Friends Share Personality Traits? 5 Key Findings

Compatible types who contain D

Do you ever relate to the idea that “rules are made to be broken”?
D-type people, like you, have free thinking that isn’t bound by existing frameworks.
They share a common attitude of prioritizing practicality and results over moral “shoulds.”

The good compatibility between you and D-type people:

• Can question common sense and explore new possibilities
• Can openly discuss even “taboo” ideas
• Can share values that prioritize efficiency and results

With ENTJ-xD, you can form the ultimate team combining bold vision with execution power.
With ESTJ-xD, you can achieve results through realistic problem-solving and efficient execution.
With ISTJ-xD and ISFJ-xD as well, you can build cooperative relationships through a balance of logic and practice.

However, it’s important not to forget to consciously consider ethical aspects.
By balancing innovation with ethical awareness, you can build more sustainable relationships.

MBTI Compatibility: Best Matches for All 16 Types

INTJ-AD Summary

You are like an architect who has come from the future.
You have the talent to see possibilities that others can’t see and create solutions that no one notices.
Your logical thinking and creativity hold the power to change the world.

Certainly, consideration of emotional aspects can sometimes be a challenge.
There are situations where you might be misunderstood as “cold” or struggle with teamwork.
But that’s simply because your overpowering talent isn’t being expressed in the right way.

Your low ethics might actually be a manifestation of “pure pursuit of efficiency.”
It’s a misunderstood aspect due to your too-strong passion for achieving goals.
What’s important for leveraging your true strengths is:

• A perspective that treats emotions as “one piece of important data”
• Flexibility to accept others’ opinions as “seeds of new possibilities”
• An attitude that values ethics as “the foundation of long-term success”

Your strategic thinking and creativity are precious talents that this world needs.
While deepening your understanding of emotional aspects, please fully demonstrate your innate abilities.
Surely, an ideal future that only you can envision awaits.

Can You Change Your Personality? 7 Science-Backed Steps

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、脳・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。

16personalitiesとは？科学的根拠やMBTIとの違いを解説

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。

• 外向性（Extraversion）か内向性（Introversion）
• 感覚（Sensing）か直観（iNtuition）
• 思考（Thinking）か感情（Feeling）
• 判断（Judging）か知覚（Perceiving）

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。

MBTIとは？16タイプ性格紹介(恋愛や仕事)・科学的根拠を解説

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。

ビッグファイブ(Big Five)診断とは？概要・遺伝・MBTIとの関連

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。