One of the important path breaking concepts in group dynamics was first formulated by the Yale University psychologist, Irving Janus, in 1971. Refined in later research, the concept is known as “Groupthink,” which Janus defined as “a mode of thinking that people engage in when they are deeply involved in a cohesive in-group where the members' striving for unanimity overrides their motivation to realistically appraise alternative courses of action.”
Symptoms of Groupthink include:
Illusion of invulnerability. “No problem. We have the best scientists in the industry.”
Belief in group's morality. “We would always put the ...