Many people assume personality types exist on a broad spectrum — but research suggests there's one especially rare type that ...

Athletes who tend to be anxious, self-doubting and error-prone often undermine themselves, according to a new study of personality and sports performance. But these athletes, who can be described as ...

You know the "type:" So-called “Type A” personalities are hard-charging, determined to compete and to win. Combining traits such as drive and impatience, Type A was once thought to be related to heart ...

Some people believe personality is fixed, but more recent research suggests that personality may develop over time and that people’s personality traits can change. Personality types group people into ...