What is groupthink? 2. According to Janis (1982), five features are typically present when groupthink occurs: 1. There are several main causes of groupthink. There are people in a group who purposely omit information that might cause doubts to arise within a group. Groupthink is based on a common desire not to upset the balance of a group of people. 5. Self-censorship. 4. Interpersonal Pressure. 3. The group considers only a few options. This high level of cohesiveness also creates self-censorship and apparent unanimity within the group. Have you ever agreed with your friends because it was more convenient and made you look better? There is much stress because of great time pressure. In many cases, people end up engaging in groupthink when they fear that their objections might disrupt the harmony of the group or suspect that their ideas might cause … The group is very cohesive. The group is insulted from information coming from outside the group. Mind Guards. High levels ofcohesiveness decrease the amount of verbal dissension within a tight group, due to interpersonal pressure to conform. These include group cohesiveness, overall group isolation, group leadership, and decision-making stress. What causes groupthink?