The FFM personality questionnaire included 41 items assessing extraversion, organized into the five facets of Temperament (“I generally enjoy life), Sociability (“I prefer activities that let me be ...

Forbes contributors publish independent expert analyses and insights. Mark Travers writes about the world of psychology. It’s a fine line between sanity and insanity, or so it has been speculated. But ...

You might be forgiven for thinking that a preference for rising early or for staying up late doesn't have much bearing on anything other than your feelings towards your alarm clock. But recently we ...

You’re speaking to someone you don’t know that well, and much to your chagrin, this person enters into a small tirade about your many flaws. Although you normally feel confident in your sense of self, ...