Groups. Video Clip 2: Reginald Denny. Outline. Why we live in groups Social facilitation Social loafing Group decision making. Best reliable predictor of brain size in primates is social group size Human beings are adapted to live in social groups All primates except ourangutans.
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Video Clip 2: Reginald Denny
Group - A collection of individuals that have relations to one another that make them interdependent to some significant degree
Groups vary in the degree of cohesion and interdependence
The effect of the presence of others on performance
Facilitation: dominant response
Inhibition: non-dominant response
Less social loafing: