This test, also called the MBTI, was developed during World War II to categorize a person’s personality type. You take a formal questionnaire, which then lumps you into one of 16 personality groups.

Below, I dive into four common models used to determine personality types: Myers-Briggs Type Indicator (MBTI), 16 Personalities, The Big 5 and Enneagram. Note that many of these tests rely on self ...

Your MBTI result has four letters, one from each category, so there are a total of 16 different personality types that people could fall under. But to decide if this test was well-made ...