Personality tests are beloved by high school guidance counselors and self-help book authors — but less so by many scientists. There’s controversy among them over whether clear-cut personality types exist at all.
A large new study published in Nature Human Behavior, however, provides evidence for the existence of at least four personality types: average, reserved, self-centered and role model. Each one is based on the extent to which people display five different major character traits, including neuroticism, extraversion, openness, agreeableness and conscientiousness.
