ADMS 2511 Lecture Notes - Lecture 31: Groupthink
1 May 2018
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ADMS 2511 Lecture 31 Notes – Groupthink and Group shift
Introduction
• If creativity is important, groups tend to be more effective than individuals.
• And if effectiveness means the degree of acceptance the final solution achieves, the nod
again goes to the group.
• But we cannot consider effectiveness without also assessing efficiency.
• With few exceptions, group decision making consumes more work hours than an
individual tackling the same problem alone.
• The exceptions tend to be the instances in which, to achieve comparable quantities of
diverse input, the single decision maker must spend a great deal of time reviewing files
and talking to other people.
• In deciding whether to use groups, then, consideration should be given to assessing
whether increases in effectiveness are more than enough to offset the reductions in
efficiency.
• The Experiential Exercise gives you an opportunity to assess the effectiveness and
efficiency of group decision making vs. individual decision making.
• Two by-products of group decisio akig have the potetial to affect the group’s
ability to appraise alternatives objectively and arrive at quality solutions: groupthink and
group shift.
• Have you ever felt like speaking up in a meeting, classroom, or informal group, but
decided against it?
• One reason may have been shyness.
• On the other hand, you may have been a victim of groupthink.
• Groupthink relates to norms.
• It describes situations in which group pressures for conformity deter the group from
critically appraising unusual, minority, or unpopular views.
• We cannot consider effectiveness without also assessing efficiency.
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