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The TraitLab Blog publishes articles about all things personality.

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The Enneagram and the Big Five Personality Traits

How are the Enneagram and Big Five personality traits connected?

Ask TraitLab: Agreeable or Assertive?

A reader asks about the distinctions between Agreeableness and Assertiveness.

Ask TraitLab: Disagreeable traits but an agreeable type?

A reader asks why their personality trait results seem to conflict with their personality type results.

Introducing: Comparisons

Compare your personality with anyone else's with TraitLab's Comparisons

How to check MBTI compatibility

Check the compatibility and chemistry between any two types from the 16 personality typology

How to compare MBTI and Enneagram types

See how types from these two popular personality typologies compare in four important areas

How to check Enneagram type compatibility

Check the compatibility and chemistry between any two types from the Enneagram typology

The Jangle Fallacy

The jangle fallacy occurs when someone uses two or more different names to describe the same psychological construct.

The Jingle Fallacy

The jingle fallacy (or jingle effect) occurs when two different psychological constructs or measures share the same name.

The Openness to Experience Personality Dimension

Openness to Experience captures differences in curiosity, creativity, tolerace for ambiguity, information processing, and more.

What is the Enneagram?

The Enneagram is a model of personality centered on nine distinct personality types.

MBTI Personality Types and Career Matches

For finding good career matches, knowing a personality type usually isn't enough.

MBTI and the Big Five Personality Traits

How are the MBTI and Big Five personality traits connected?

15 Personality Tests Compared for 2024

Which personality tests were actually used in research in 2023?

The Barnum Effect: Why Bad Personality Tests Feel So Good

The Barnum Effect fools us into seeing the obvious as remarkable.

The Agreeableness Dimension of Personality

Learn how the Agreeableness personality dimension is defined, how it influences behavior and relationships, and how it can be tested and measured

Learn 100 New Words to Describe Yourself in 5 Minutes

Trying to find the right words to describe yourself? Learn the best words to describe your own unique personality with TraitLab.

Personality Types Explained

Learn how these popular personality types fit into modern research findings.

The INFJ Personality Type

The INFJ is quiet, reflective, empathetic, and an idealist at heart.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The INFP Personality Type

Artistic, impulsive, and unconventional, the INFP can be hard to predict.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The INTJ Personality Type

Precise, perceptive, and disciplined, INTJs bring an intense focus to achieving their goals.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The INTP Personality Type

Terse, aloof, and analytical, the INTP forges their own path and isn't afraid to fight about it.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ISFJ Personality Type

ISFJs' modesty and trusting nature make them loyal, reliable teammates and friends.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ISFP Personality Type

ISFPs' quiet, kind, and reserved exterior hides their inner spontaneity.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ISTJ Personality Type

Serious, principled, and systematic, the ISTJ gets right to the point.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ISTP Personality Type

Quiet, calculating, and skeptical, ISTPs can have a tough exterior and a strong independent streak.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ENFJ Personality Type

ENFJs' idealism, reliability, and warmth make them compassionate friends, partners, and leaders.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ENFP Personality Type

Expressive, outgoing, and creative, the ENFP makes up one of the most popular personality types.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ENTJ Personality Type

ENTJs are highly organized, disciplined, and have a plan for everything.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ENTP Personality Type

ENTPs are confident, bold, intense, and love a good debate.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ESFJ Personality Type

ESFJs are compassionate, caring, and enthusiastic about making things better.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ESFP Personality Type

Uninhibited, flamboyant, and friendly, ESFPs often feel energized by being in the spotlight.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ESTJ Personality Type

ESTJs are ambitious, organized, direct, and eager to take the lead.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The ESTP Personality Type

ESTPs are adventurous, competitive, and love to shake things up.

Overview · Big Five · Adjectives · Strengths · Relationships · Careers · Enneagram

The Enneagram Type 1: The Reformer

Type 1s are precise, conscientious, careful organizers.

The Enneagram Type 2: The Helper

Type 2s are enthusiastic, considerate, and reliable caregivers.

The Enneagram Type 3: The Achiever

Type 3s are ambitious, industrious, and goal-oriented strivers.

The Enneagram Type 4: The Individualist

Type 4s are intense, sensitive, and independent idealists.

The Enneagram Type 5: The Investigator

Type 5s are curious, analytical, and perceptive problem-solvers.

The Enneagram Type 6: The Loyalist

Type 6s are dramatic, sentimental, and dependable companions.

The Enneagram Type 7: The Enthusiast

Type 7s are playful, energetic, and talkative spirits.

The Enneagram Type 8: The Challenger

Type 8s are assertive, adventurous, and competitive risk-takers.

The Enneagram Type 9: The Peacemaker

Type 9s are cooperative, sympathetic, and tactful diplomats.