ADMS 2511 Lecture Notes - Lecture 32: Peer Pressure
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ADMS 2511 Lecture 32 Notes – Groupthink
Introduction
• Groupthink is a disease that attacks many groups and can dramatically hinder their
performance.
• The idiidual’s etal effiiey, eality testig, ad oal judget deteioate as a
result of group pressures.
• We have all seen the symptoms of the groupthink phenomenon
• Illusion of invulnerability.
• Group members become overconfident among themselves, allowing them to take
extraordinary risks.
• Assumption of morality.
• Goup ees eliee highly i the oal ightess of the goup’s ojeties ad do
not feel the need to debate the ethics of their actions.
• Rationalized resistance.
• Group members rationalize any resistance to the assumptions they have made.
• No matter how strongly the evidence may contradict their basic assumptions, members
behave so as to reinforce those assumptions continually.
• Peer pressure.
• Group members apply direct pressure on those who momentarily express doubts about
ay of the goup’s shaed ies o ho uestio the alidity of aguets suppotig
the alternative favored by the majority.
• Minimized doubts.
• Those group members who have doubts or hold differing points of view seek to avoid
deviating from what appears to be group consensus by keeping silent about misgivings
and even minimizing to themselves the importance of their doubts.
• Illusion of unanimity.
• Idiidual’s etal effiiey, eality testig, ad oal judgment deteriorate as a result
of group pressures.
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