1. Chapter 8 – Group Influence
Part 2: March 7, 2014

2. Influences on Group Behavior
1) Deindividuation
Relax normal constraints on behavior when in a crowd
What causes this? 1) 2)
Diener’s Halloween research – results?

3. Deindividuation (cont.)
Importance of anonymity
Zimbardo – aggressive games & costumes
Deindividuation & social media –
Can deindividuation be used for positive effects?

4. 2) Group Polarization
Group discussion strengthens members’ initial attitudes  polarization
Typical Group Study:
What is the procedure/method?
Possible reasons:
Pooling ideas
Social comparison

5. 3) Social Loafing
Group members don’t pull their weight to help the group.
Rowing experiments – what were the results?
What is the role of accountability?
Best solution?

6. What affects loafing? Accountability: Group cohesion: Group size:
Gender:
Culture: