How to work with challenging personalities (and avoid being one of them)

Oscar Wilde famously noted, “Some cause happiness wherever they go; others, whenever they go.” It is arguably one of the best brief illustrations of emotional intelligence (EQ), a trait that became popular thanks to a nonacademic best-selling book by journalist Daniel Goleman, in which he insinuated that EQ is a more important driver of success than IQ (a claim that has been discredited).

And yet, there’s no shortage of evidence for the importance of EQ when it comes to predicting interpersonal effectiveness...