Lecture 11 - Group Processes 1 What is a Group s set of...

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Group Processes 03/30/11 1
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2 What is a Group? set of individuals; at least one (1) of… joint membership in social category (e.g. sex) direct interactions over a period of time shared common fate, identity, or goals group ≠ sum of individuals why join a group?
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3 Group Development group development model (Tuckerman, 1965) forming storming norming performing adjorning punctuated equilibrium model (Gersick, 1988)
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4 Key Features of Groups roles: expected behaviors instrumental v. expressiveness ambiguity and ability norms: rules of conduct cohesiveness: member closeness
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5 Individuals’ Performance social facilitation [arousal] social loafing [relaxation]
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6 Social Facilitation Triplett’s observation: competing against others (v. clock) ↑ cycling performance mixed results in follow-up studies Zajonc’s solution: how others impact performance depends on the task
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7 Zajonc’s Solution
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8 Explaining Social Facilitation mere presence theory evaluation apprehension theory distraction-conflict theory
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Lecture 11 - Group Processes 1 What is a Group s set of...

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