Personality types A, B, C, and D group people according to key personality traits. These types may affect many areas of life, including an individual’s health. Essentially, the personality types A, B, ...

This blog was co-authored with Marcia Gralha, M.A. Human personality concerns (a) how we are all alike (i.e., human nature), (b) how we are like some other people (i.e., individual differences), and ...

From Aristotle to Sigmund Freud and Abraham Maslow, countless theories and concepts for understanding personality have been proposed. Throughout history, these and other great minds sought to answer ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Personality tests are often treated as tools for diagnosis or ...