"Think about the people at work who are part of your network — the individuals who help you improve your performance or provide you with emotional support when you are going through a tough spell. If you’re like most people, the colleagues who come to mind are those you get along with and who have a good impression of you. But has anyone in your network actually given you tough feedback?," asks Francesca Gino (photo, left) in an article featured at HBR.org.

"Your likely answer is 'not many.' . . ."