1. Chapter 8 – Group Influence Part 2: March 4, 2015

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

4. 3) Groupthink What is groupthink? Examples from NASA? –Challenger: –Columbia:

5. Symptoms of groupthink: Possible solutions?

6. 4) Social Loafing Group members don’t pull their weight to help group. –Rowing experiments – what were the results? –What is the role of accountability? Factors that affect loafing? –Cohesion, group size, gender, culture