Gifts Differing: Understanding Personality Type is a 1980 book written by Isabel Briggs Myers with , which describes the insights into the psychological type model originally developed by C. G. Jung as adapted and embodied in the Myers–Briggs Type Indicator (MBTI) personality test. The book explains the many practical applications of this typological model using four categories of psychological type differences - Extraversion / Introversion; Sensing / Intuition; Thinking / Feeling; Judging / Perceiving. The book also suggests how different combinations of these characteristics tend to influence the ways people perceive the world and how they both respond to and interact with it. Type tables show how type preferences tend to correlate with occupational interests. Profiles of the sixteen ty