8. Illusion of unanimity. Finally, the rationalizations, psychological pressures, and mindguards have their effect—the group coalesces around a decision. Drawbacks are downplayed, and the invulnerability and morality of the final course are reinforced.

Doubting group members may even feel that they have adequately put their own fears to rest. More likely, it is simply the sense of relief that the struggle has come to an end. An illusion of unanimity sets in.

In contrast to the destructive forces of groupthink, Janis describes a number of techniques that a leader can employ to help ensure a rational consideration of all available courses of action: