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Tutorial: Decision making, Research Ethics (Ethics Committee Activity…
Tutorial: Decision making, Research Ethics
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Group Polarisation
Implications
Court/jury decision making, 2nd jury: different decision
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Causes
Informational influence: Exposed to more arguments in favour of consensus option than individual can generate on own
Social comparison: When members see others share their "extreme" view, they adjust their opinions to be even more extreme
Effect
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Group polarisation: Whatever the direction of the individual mean, the group mean is usually more extreme (attitudes become polarised through discussion)
Experimental methodology
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Field Studies
Advantages
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Can set up experiments
EG. Deliberately stalling and counting number of drivers who blast horn; fake a situation
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Ethical concerns
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Balance need for individual rights (safety, privacy) with need for scientific knowledge
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