16 Personality Types Test: Find Your Four-Letter Code

Four-letter personality types come from the Myers-Briggs Type Indicator, developed by Katharine Cook Briggs and Isabel Briggs Myers from Carl Jung's ideas. Each letter is one side of a preference pair: Extraversion or Introversion, Sensing or Intuition, Thinking or Feeling, Judging or Perceiving.

This free 16-question version gives you a quick estimate of your type and explains what each letter means. It is unofficial and not affiliated with the MBTI.