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A study from Northwestern University finds there are four major personality types: average, reserved, self-centered and role model.

These Are the 4 Most Unfriendly Myers-Briggs Personality Types, According to a Psychotherapist. Kelsey Kryger. Fri, August 4, 2023 at 10:03 AM UTC. 6 min read.

Data from 1.5 million questionnaire respondents has helped researchers narrow personalities into four clusters. Researchers at Northwestern University found that the four personality types are ...

People love taking online quizzes; just ask Buzzfeed and Facebook. A new study has sifted through some of the largest online data sets of personality quizzes and identified four distinct "types ...