In 1961, Ernest Tupes and Raymond Christal identified five personality factors that others would reanalyze and rename. Lewis Goldberg used the term Big Five in 1981 to describe these broad factors.

Using the Big Five traits (or five-factor model) as a foundation, Five-Factor Theory proposes that the development of common personality traits is largely determined by biological factors ...

For decades, psychologists strived to understand people and their personalities by defining personality traits. Eventually, most settled on the five-factor model, also known as the big five.

Business Insider's Kevin Loria recently spotlighted a test that can give you a scientifically accurate assessment of your personality. The test — the International Personality Item Pool ...

There’s a reason why personality tests and personality identifiers, such as Type A, Type B, extroverted and introverted, are so common. Many folks want to know themselves better, and there’s ...