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Social Loafing. Do people try less hard when working in groups? If so, why do they do so?. Ringleman Effect --- (e.g., with rope pulling task) The average performance (input) of individuals decreases as group size increases Why? Less effort b) Coordination issues.
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Social Loafing Do people try less hard when working in groups? If so, why do they do so? • Ringleman Effect --- (e.g., with rope pulling task) • The average performance (input) of individuals decreases as group size increases • Why? • Less effort • b) Coordination issues
Yelling (& clapping) studies by Latane, Williams, & Harkins Alone In actual groups In pseudo-groups Less individual effort when in groups, even in “groups” when no one was present (but people thought they were)
Potential productivity Actual groups Pseudo-groups 10 8 6 4 2 Reduced effort (Social loafing) Sound pressure per person Coordination loss 1 2 6 Group size
Why less effort (loafing)? • Expectation that others are trying (or will try) less hard (equity) • Optimizing goal setting, rather than maximizing • Less social pressure on each individual group member • Less contingency between individual inputs and • outputs (individuals in groups cannot be identified; • anonymous)
Social Loafing Across Cultures Alone Performance Group 30 27 24 21 18 15 24.5 23.8 23.3 20.8 18.5 16.5 United States Israel China Country
The Stages of Groupthink What are the causes and consequences of groupthink? Video Isolated, cohesive, homogeneous decision-making group Lack of impartial leadership High stress Closed-mindedness Rationalization Squelching dissent “Mindguards” Feelings of righteousness and invulnerability Self-censorship Incomplete examination of alternatives Failure to examine risks and consequences Incomplete search for information Antecedent Conditions Systems of Groupthink Consequences Poor decisions
Other Group Decision-Making Phenomena Collective Entrapment --- The more effort used to make a decision, the greater likelihood of sticking to that decision (even if it’s been shown to be incorrect) Common Knowledge Effect --- Information held by most group members exerts a stronger impact on final decisions
Ways to Improve Group Decision-Making • Leadership style(impartial, use of outside input) • Brainstorming? • Nominal Group Technique • Define the problem • Individuals anonymously generate solutions • Solutions presented to the group (no evaluation allowed) • Group rates solutions • Best solution is chosen (vote, consensus)