One of the most common obstacles to effective decision making by teams is groupthink. The term is used to describe the observation that many groups make poor decisions because they try to reach a consensus and minimize conflict. In doing so they suppress dissenting viewpoints, eschew controversial issues and isolate themselves from outside influences. The result is that they do not seriously consider alternatives to the group’s view.
The phenomenon of groupthink was researched in the 1970s by Irving Janis, a research psychologist at Yale University. He identified various causes including the desire for cohesiveness, lack of impartial leadership, homogeneity of the group members and stressful external threats.
In his seminal book on the topic, Group Think (1982), Janis recommends eight ways to prevent groupthink:
- Leaders should assign each member the role of “critical evaluator”. This allows each member to freely air objections and doubts.
- Leaders should not express an opinion when assigning a task to a group.
- Leaders should absent themselves from many of the group meetings to avoid excessively influencing the outcome.
- The organization should set up several independent groups, working on the same problem.
- All effective alternatives should be examined.
- Each member should discuss the group’s ideas with trusted people outside of the group.
- The group should invite outside experts into meetings. Group members should be allowed to discuss with and question the outside experts.
- At least one group member should be assigned the role of Devil’s advocate. This should be a different person for each meeting.
A much discussed example of group think is the Bay of Pigs fiasco in 1961. The Kennedy administration team uncritically accepted the CIA plan to invade Cuba. They ignored dissenting voices and outside opinion and underestimated the obstacles. President Kennedy learnt from this disaster. During the critical Cuban Missile Crisis in 1962 he used ‘vigilant appraisal‘ to deliberately avoid groupthink. He invited outside experts to share their viewpoints. He encouraged group members to voice opinions, ask questions and challenge assumptions. The President deliberately absented himself from some meetings to prevent his opinions dominating.
There have been countless examples of groupthink in executive teams leading to business disasters. Swissair, Kodak and Enron are salutary lessons. Business leaders can avoid similar catastrophes by learning from Janis and Kennedy in order to fight the scourge of groupthink.
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This post was previously published on Destination Innovation.
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