They often solve problems that individuals cannot. Groupthink can limit the value of groups. Groupthink problems can be recognized by identifying a set of characteristics including an illusion of invulnerability, self censorship, and others. Janis recommends many strategies for avoiding Groupthink. Groups can assign the role of critical evaluator to each member, divide into subgroups, invite experts to sit in on meetings, and so on.
Groupthink is a problem that can have destructive consequences.
If group members are aware of Groupthink and are constantly checking for it the damaging effects of this condition can be avoided.