SOCPSY 1Z03 Lecture Notes - Lecture 11: Social Proof, Ingroups And Outgroups, Groupthink
22 Mar 2016
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Document Summary
A group is a social unit that consists of two or more persons and has the following attributes: membership, interaction among members, goals shared by the members, shared norms. A group"s cohesion is the extent to which its members desire to remain in it and resist leaving it. Social cohesion: homophily: tendency for individuals to associate with similar others. As number of members increase, the average contribution of each member decreases. Motivation loss that occurs when an individual"s contribution becomes less clear to the group. Diffusion of responsibility: as groups become larger, deindividuation more likely and loss of self awareness in a group. Dispensability: contribution perceived as smaller, and more redundant. Sucker effect : if people perceive that they are doing more than their fair share of the group"s, they may reduce effort, or wait to see the effort of other members.
