PHILADELPHIA – Whether it is barn-raising or crafting a business plan, humans are among the few creatures that are able to work well cooperatively. According to an evolutionary psychologist at the ...

Researchers are reconsidering how we define personality disorders. Current DSM definitions invoke a sufficient number of related symptoms. For this categorical approach, delineation of Borderline ...

Egoism, Machiavellianism, narcissism, psychopathy, sadism, spitefulness, and others are among the traits that stand for the malevolent dark sides of human personality. As results from a recently ...

Experts have often commented on the distinction between personality and intelligence, as the former is generally assessed by subjective methods such as questionnaires, while the latter can be ...

In our deep-seated desire to learn more about ourselves, most of us have probably spent too much time taking personality quizzes. I’m something called an INFJ, the rarest personality type in the U.S., ...

Psychologists commonly utilize the five factor model to characterize human personality. Making up this model are the "Big Five" traits: openness to experience, conscientiousness, extraversion, ...