A comparative review of 324 global research papers concludes narcissism is a risk factor for aggression and violent behaviors. The results were similar, regardless of age, gender, education level, or country of residence.
Researchers investigate why some people take pleasure in hurting more vulnerable people.
Study reveals personality disorders and schizophrenia are the most debilitating mental illnesses to live with.
Study finds the immune system links personality to the long-term risk of mortality. Those who score higher on the personality trait of conscientiousness tend to live longer because their immune systems have lower levels of interleukin-6.
One child's behavioral traits drive another child's friendship experience over time. Children with mean friends report an increase in friendship negativity over time, while those with nice friends report a decline in negative relationship emotions.
Forming an accurate impression of a person is important as people rely on their instincts when deciding to begin a relationship. People who report greater personal wellbeing are easier to "read" than others on first impression.
A new theoretical study proposes new models outlining the relationship between personality, genes, and behaviors. Researchers also propose a method to discover where personality resides in the brain, and how it relates to other psychological functions including memory and emotion.