Groupthink is a phenomenon in which the members of a group override their individuality in favor of unanimity. Scholars have ascribed bad decision making to groupthink, for example, in U.S. policy during the Vietnam War.
But how do outsiders interpret groupthink when they observe the behavior of a group and its members?
A research team had subjects rate groups, such as corporations, sports teams and government parties, about how much the group has its own collective intelligence. Subjects also rated how much each member of the group had a mind of his or her own. Finally, they rated the perceived cohesiveness of the group.
Listen here: Scientific American