The sets of descriptions were remarkably similar to his own. He then describes four variations of each of the four basic temperaments, yielding sixteen distinct personality types. The main differences between temperment and personality type are almost philosophical in nature. Temperament theory is static in assuming that a person's core needs remain constant throughout his or her lifetime. In contrast, type theory is dynamic and describes the development of preferences throughout a person's lifetime.
Type is defined by determining each of the four preferences individually.
The table below shows the relationship between the Keirseyan temperament variations and the sixteen personality types generated by Myers for teachers and students, providing a generalized map of the sixteen types. ESTP Promoter Negotiator ISTP Troubleshooter Tinkerer ESFP Entertainer Actor ISFP Composer Artist Back to Course Outline Back to the Top Fairhurst, A. and L. Fairhurst.