Over the centuries, experts have categorized personalities according to a wide variety of systems. One of the more recent (and useful) of these is the unlikely but surprisingly effective “True Colors” system. Though it has only four divisions, and you’d think that’s not enough to cover the seemingly endless varieties of human behavior, many professionals [...]

Understanding other people can be pretty hard. But compared with understanding ourselves, getting a handle on other folks’ thinking can seem downright simple. That’s why so many very smart people have been studying this subject for so very long – thousands of years, actually. And every other week, it seems, somebody comes out with a [...]