Both enthusiasm and loyalty are admirable norms. It wasn’t clear to managers that they would have such different impacts on people’s behaviors. And yet they did. In that setting, enthusiastic norms made teams better. Loyalty norms made them less effective. “Managers never intend to create unhealthy norms,” Edmondson said. “Sometimes, though, they make choices that seem logical, like encouraging people to flesh out their ideas before presenting them, that ultimately undermine a team’s ability to work together.”
