Define group
Purposes of group living
Social facilitation
Evidence supporting that having people around enhances performance
Evidence supporting that having people around impedes performance
When does social facilitation occur?
Dominant response
Zajonc’s model of social facilitation
Micheals et al study
•The researchers then walked up to the pool table and watched them
•Skilled players started playing better
•Unskilled players started playing worse
Why does social facilitation occur?
Social lofting
Free riders
Culture/gender differences in social loafing
Groupthink
A style of thinking in which maintaining group cohesiveness and solidarity is more important than considering facts realistically.
Elements of Janis’ groupthink hypothesis
Even if a group’s most important goal is a correct decision, individual members may be more concerned with what? (4)
Examples of antecedent conditions
How was JFK and the Bay of pigs an example of groupthink?
How do you prevent groupthink?
Group polarization
Group decisions tend to be more extreme than those made by individuals - people are more inclined to go in the direction they are already inclined to go
Moscovici and Zavalloni
•Group polarization more likely occurs when individuals already have strong opinions
Why does group polarization occur?
Why does group polarisation occur in context of social comparison?
What problems do hierarchies solve for living?