People love taking personality tests, but are personality types real? Maybe, and maybe not. Personality development is complicated, and most healthy personality types are not so easily defined.

The concept of a personality may sound like it’s set in stone. But personality is really much more flexible − and you can take steps to craft your characteristic thoughts, feelings and behaviors.

Using the Big Five traits (or five-factor model) as a foundation, Five-Factor Theory proposes that the development of common personality traits is largely determined by biological factors ...

Personality develops as a result of both genetic and environmental factors. Learn more about how genetics influence personality here.

The best leaders go beyond highly developed emotional intelligence. Their skill is based on using personality to find success ...