Roles have an important function in groups – but can role‑ play be dangerous? Phil Zimbardo sets the scene for his famous guards vs. prisoners’ experiment in chapter 8 of myPsychlab at www....

Roles have an important function in groups – but can role‑ play be dangerous? Phil Zimbardo sets the scene for his famous guards vs. prisoners’ experiment in chapter 8 of myPsychlab at www. mypsychlab. com (watch The Stanford Prison experiment).

Why do people join groups?