I’m willing to bet that if you take the Big Five or HEXACO and walk participants through the same process—provided that the trainers are equally zealous—the MBTI will fare no better. But I’m also ...

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.

For more than two years, I’ve been studying the big five and developing a personality course to help others understand how this model can help them get to know themselves–by better understanding their ...