Lecture 4- Social Influence Flashcards
Define a group
1) includes 3-12 people
2) see themselves and seen by others as a unit, interdependent
3) embedded in one or more larger social systems
What is a dyad?
consists of 2 individuals who are in a close relationship
What is a crowd?
many individuals who come together in a common place for a common purpose
What is a social category?
a large and relatively permanent social group
What is social influence?
a change in individuals attitudes, beliefs, opinions, values or behaviour due to being exposed to the beliefs and attitudes of another individual
What is Social Facilitation?
Bong & Titus (1983)
being in the presences of others improves individuals task performance
What did Zajonc (1965) find?
1) presence of others leads to arousal (alert)
2) arousal makes dominant response more likely
3) enhances performance on simple tasks
4) impaired performance on complex tasks
What is social loafing?
Karau & Williams (1993)
tendency for individuals to expend less effort when working collectively than working individually
What is social conformity?
Kiesler (1969)
a change in behaviour or beliefs as a result of real or imagined group pressure
What is the difference between public and private conformity?
private= attitude change in line with others
public= overt behaviour change, not attitude change
What was the procedure of Solomon Asch (1956) visual description task and what was found?
1) group of 7-9 males asked to match line with test line (one real ppt)
2) 99% success rate when asked alone
3) 74% conformed even when answers were obvious
4) overall ppts conformed on 37% of the trails
What is informational influence?
influence to accept information from another as evidence about reality
What is normative influence?
influence to conform with the positive expectations of others (norm) to gain social approval or to avoid social disapproval
How does group size affect social conformity?
conformity increases with group size
peaks at 15
effect of size depends on nature of influence
How does group unanimity affect conformity?
conformity reduced if group is not unanimous
supporters reduce conformity
dissenter and deviates also reduce conformity