Add Yahoo as a preferred source to see more of our stories on Google. A personality test usually involves a suite of questions meant to bucket the test-taker into a category said to describe their ...

The Greek physician Hippocrates argued that four bodily “humors” shaped human behavior, which, in turn, resulted in four fundamental personality types. Today, people put more faith in Myers-Briggs ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Have you ever clicked on a link like “What does your favorite animal say ...