The most popular test is the Myers-Briggs Type Indicator. Developed in the 1960s, this assessment is still used today to measure personality types. Out of all the types, the “INFJ” personality ...

Today, those four letters are more likely to be INFJ, ESTP, or ENFP or shorthand for a personality type based on the Myers ... In Japan, 7-Eleven launched "MyBTI" gummies, turning the MBTI test into ...