The concept of ‘groupthink’ was discovered by:

Generally, teamwork in groups leads to beneficial results. Rayan, working at an automobile company, suggested that extreme cohesion can interfere with effective leadership and can lead to disastrous decisions. This process is termed as “groupthink” in which a group allows its concerns for unanimity. They, in fact, “override the motivation to realistically appraise courses of action”. It results in the tendency of decision maker to make irrational decisions. Studies have shown that such a group has an exaggerated sense of its own power to control events and tends to ignore and minimise outside cues from real world in order to preserve their internal harmony and collective well-being.