Renowned psychologists describe the five most useful insights from social psychology that will help make you "wise" wise about why we behave the way we do, and wise about how to use that knowledge to understand others and change ourselves for the better.

When faced with a challenge, we often turn to those we trust for words of wisdom. Friends, relatives, and colleagues: someone with the best advice about how to boost sales, the most useful insights into raising children, or the sharpest take on a political issue. In The Wisest One in the Room, renowned social psychologists Thomas...