MGCR 222 Lecture Notes - Lecture 7: Pluralistic Ignorance, Milgram Experiment, Group Polarization
5 Nov 2015
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When our individual distortions involved in group decisions: milgram experiment. 40 male subjects were told experiment was to study effects of punishment on learning. Teacher (subject) to increasingly shock learner for wrong answers. 2/3 went all the way to 450v (lethal) Only 5 stopped before 300 volts b. ash experiment. Na ve subject brought into lab with 6-8 confederated. Asked to make judgment about line length. When tested alone, got more than 98% correct. When tests with group, only got 66% correct. The tendency for group members to conform to the consensus viewpoint in group decision-making: symptoms. Members ignore danger, take extreme risk, and overly optimistic. Members of the group rationalize thoughts or suggestions that challenge what the majority is thinking. They try giving reasons as to why the others don"t agree and thereby go ahead with their original decisions. Members discredit and explain away warning (bad signs) contrary to group.
