World Introvert Day on Jan. 2 arrives right as social batteries run low from weeks of holiday gatherings. After all the noise ...

Have you ever heard someone say, “Oh, she’s such an extrovert, she talks all the time,” or “What an introvert, he never says anything”? They’re typical stereotypes, but they’re an oversimplification ...

A: Let me answer your first question: prominent twentieth century psychologist Carl Jung defines introversion as the tendency toward being wholly or predominantly concerned with and interested in ...