Originally published in 1962, the MBTI is a forced-choice, self-report inventory that attempts to classify persons according to an adaptation of Carl Jung’s theory of personality types (Myers & McCaulley, 1985; Tzeng ware, & Chen, 1989)
Regardless of the version employed, the MBTI is scored on four theoretically independent polarities:
Extraversion-Introversion, Sensing-intuition, Thinking-Feeling, and Judging-Perceiving.