Self-diagnosis guides
Am I X or Y?
The most-confused MBTI type pairs, disambiguated. Each guide covers the core cognitive-function difference, 4 behavioral axes, and self-check questions to help you tell.
INFJ or INFP?
INFJ builds one big internal framework and then reads others' emotions into it. INFP runs every experience through a personal values filter,…
INTJ or INTP?
INTJ wants to close the loop — find the pattern, pick the plan, ship it. INTP wants to keep the loop open — stress-test every model, never f…
INFJ or INTJ?
Same vision engine, different translators. INFJ asks 'how does this vision serve the humans in it?' INTJ asks 'what's the most efficient way…
INFP or ISFP?
INFP is the dreamer/writer/idealist whose values are expressed through imagined possibilities. ISFP is the artist/athlete/quiet-crafter whos…
INFP or ENFP?
INFP processes values first, then generates possibilities that align. ENFP generates possibilities first, then checks them against values. I…
ENFP or ENTP?
Ideas serve different masters. ENFP's ideas serve meaning and people. ENTP's ideas serve intellectual pleasure and challenging bad logic. EN…
INTJ or ENTJ?
INTJ needs to see the whole future-pattern clearly before committing. ENTJ commits to the direction and iterates in motion. INTJ is the arch…
ISFJ or INFJ?
ISFJ navigates the world through 'how it has been — what we know works'. INFJ navigates through 'what this is heading toward — what pattern …
ISTP or INTP?
ISTP reasons about physical systems and does — mechanic, pilot, sniper, surgeon. INTP reasons about conceptual systems and theorizes — philo…
ESFJ or ENFJ?
Both serve others — but ESFJ serves the known community through proven ways, while ENFJ serves a vision of what the community could become. …
Introvert or Extrovert?
Introverts lose energy in prolonged social contact and regain it alone. Extroverts lose energy in prolonged solitude and regain it through p…
Intuitive or Sensor?
Intuitives look at a situation and immediately notice what it reminds them of, where it's heading, and what pattern is forming. Sensors look…
Judger or Perceiver?
Judgers are most comfortable when something is decided. Perceivers are most comfortable when options are still open. A tidy Perceiver and a …
Thinker or Feeler?
Faced with the same tough choice, a Thinker asks 'what is the most consistent / logical outcome?' A Feeler asks 'what will this do to the pe…
ISTJ or ISFJ?
ISTJ optimises for 'does this system work correctly and consistently?' ISFJ optimises for 'are the people in this system taken care of?' Sam…
ESTP or ESFP?
ESTP is action calculated in the moment — sees the angle, takes the shot, adjusts. ESFP is action felt in the moment — feels the vibe, moves…
INFJ or ENFJ?
INFJ builds private vision and shares carefully; trust is earned one layer at a time. ENFJ reads the room's emotional currents first and the…
ESTJ or ENTJ?
ESTJ asks 'what's the proven right way to do this?' and drives hard toward it. ENTJ asks 'what's the three-move-ahead strategy?' and drives …
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