Psychologists have been studying personality for a very long time. Thinking about personality as a collection of traits goes all the way back to ancient Greece and Rome, and trait theorists such as ...

The differences between people’s personalities can be broken down in terms of five major traits—often called the “Big Five.” Each one reflects a key part of how a person thinks, feels, and behaves.

In a recent review published in the journal Nature Reviews Psychology, scientists discussed the four mechanistic aspects — preconditions, triggers, reinforcers, and integrators — that bring about ...

New research published in the Journal of Sleep Research suggests that maladaptive personality traits are linked to poor sleep ...

When we talk about our personality, many of us treat it as a fixed, unchanging part of us. But the truth is our personality can evolve and often does, even without us deliberately trying. For example, ...