On the other hand, the opposite of groupthink—rancor and dysfunction—is also a danger. Team members must disagree without being disagreeable, we advised. Practice “constructive confrontation,” to use the phrase of Andy Grove, the former CEO of Intel. Precision questioning is one way to do that. Drawing on the work of Dennis Matthies and Monica Worline, we showed them how to tactfully dissect the vague claims people often make.
