The TraitLab Blog publishes articles about all things personality.
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.
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 2022
Which personality tests were actually used in research in 2021?
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
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.
The INFP Personality Type
Artistic, impulsive, and unconventional, the INFP can be hard to predict.
The INTJ Personality Type
Precise, perceptive, and disciplined, INTJs bring an intense focus to achieving their goals.
The INTP Personality Type
Terse, aloof, and analytical, the INTP forges their own path and isn't afraid to fight about it.
The ISFJ Personality Type
ISFJs' modesty and trusting nature make them loyal, reliable teammates and friends.
The ISFP Personality Type
ISFPs' quiet, kind, and reserved exterior hides their inner spontaneity.
The ISTJ Personality Type
Serious, principled, and systematic, the ISTJ gets right to the point.
The ISTP Personality Type
Quiet, calculating, and skeptical, ISTPs can have a tough exterior and a strong independent streak.
The ENFJ Personality Type
ENFJs' idealism, reliability, and warmth make them compassionate friends, partners, and leaders.
The ENFP Personality Type
Expressive, outgoing, and creative, the ENFP makes up one of the most popular personality types.
The ENTJ Personality Type
ENTJs are highly organized, disciplined, and have a plan for everything.
The ENTP Personality Type
ENTPs are confident, bold, intense, and love a good debate.
The ESFJ Personality Type
ESFJs are compassionate, caring, and enthusiastic about making things better.
The ESFP Personality Type
Uninhibited, flamboyant, and friendly, ESFPs often feel energized by being in the spotlight.
The ESTJ Personality Type
ESTJs are ambitious, organized, direct, and eager to take the lead.
The ESTP Personality Type
ESTPs are adventurous, competitive, and love to shake things up.
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.