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Unformatted text preview: 1 Psychology 151 4/29/09 Chapter 9: Group Processes Chapter 9: Group Processes Chapter 9: Group Processes Chapter 9: Group Processes What Is a Group? Group Group Group Group Two or more people who interact and are interdependent Source of image: Microsoft Of ice Online. Social Roles Social Roles Social Roles Social Roles Shared expectations in a group about how particular people are supposed to behave. Milgram - Why Obey? • Conformity - Normative Influence – Strong social norm to obey authority – Foot-in-the-door • Dissonance must be reduced • Can’t undo past behavior or decide I’m bad • Justify the shocks • “Blame the Victim” • Many complain about how poor the learner is • The power of social roles, group cohesion, the situation Social Facilitation • Triplett (1898) • Reel lines more quickly with others present • Zajonc (1965) • Presence of others increases arousal • Arousal enhances dominant response – Accessible, simple, highly practiced The tendency for people to do better on simple tasks & worse on complex tasks, when in the presence of others Social Facilitation & Inhibition Dual Influence of Arousal • If task is easy • Performance improves • Dominant response likely correct • If task is hard • Performance suffers • Dominant response likely incorrect Zajonc (1969): Social Facilitation Basic principle of animal behavior • Cockroaches tested on their speed of escape from a bright light • Run to other end of runway • Cockroach “spectators” or not • Perform faster with spectators • But only if path is simple 2 Theories of Social Facilitation • Mere Presence: All it takes is the presence of others, nothing more. Others cause us to become alert. • Evaluation Apprehension: In addition to their presence, others seen as potential evaluators • Distraction-Conflict Theory: Others distract us from the task (no different from any other distraction)....
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This note was uploaded on 07/16/2009 for the course PSC 151 taught by Professor Pickett during the Spring '07 term at UC Davis.
- Spring '07