- I (introverted) >< E (extroverted)
- N (Intution) >< S (Sensing)
- T (Thinking) >< F (Feeling)
- P (Perceiving) >< J (Judging)
- 1st place: I or E (mind)
- 2nd place: S or N (energy)
- 3rd place: T or F (nature)
- 4th place: P or J (tactics)
2x2x2x2 = 16 personality types trong MBTI
