Three traits, often called the Dark Triad—narcissism, psychopathy, and Machiavellianism—are commonly assessed to investigate the darker, or more antagonistic and self-interested side of human ...

Certain behaviors we now recognize as symptoms of specific conditions used to be written off as personality traits, but now that we see things differently, they are labeled signs of mental illness ...

Although personality can change over a lifetime, one's core personality traits tend to remain relatively consistent during adulthood. While there are countless characteristics that combine in an ...

For years, many psychologists have believed that five personality traits could explain human behavior. These traits, known as the "Big Five," include openness, conscientiousness, extroversion ...