=====What is MBTI?===== MBTI stands for Myers-Briggs Type Indicator, As a personality type test, it categorizes human personality into 16 types. It is believed to have been developed by Carl Jung and Isabelle Briggs. MBTI was first developed in the late 1940s and commercialized in 1962. Since then, the MBTI has been widely used in fields such as education, occupation, and psychological counselin..