Appendix B:
All possible permutations of preferences for the four dichotomies above yield 16 different combinations.
The 16 personality types
ESTJ
ISTJ
ENTJ
INTJ
ESTP
ISTP
ENTP
INTP
ESFJ
ISFJ
ENFJ
INFJ
ESFP
ISFP
ENFP
INFP
Notes: E extraversion; I introversion; S sensing; N intuition; T thinking; F feeling.