OVER the past few weeks, we’ve been exploring informal social deviance, the everyday behaviors that may not be illegal but still disrupt social harmony. We’ve all encountered them, the person blasting ...

IMAGINE walking into a crowded market, weaving through the chaos, when suddenly, someone shoves past you with such force that you nearly lose balance. No “excuse me,” no “sorry,” no acknowledgment, ...

and Monique Sternin take their readers on a fascinating tour to learn about “positive deviance”—an approach to solving social, and even some business, problems. The approach, which the authors ...