Zimbardo's research - Stanford Prison Experiment

• Where was the experiment done?

  Basement of the psychiatric department in Stanford University
• How were participants selected?

  Students from the university volunteered and underwent psychological testing - emotionally stable ones were chosen and were randomly assigned roles of guards and prisoners
• Procedure for guards

  Given a uniform, wooden club, handcuffs, and mirror shades - had to enforce prison rules
• How long did the study last?

  Meant to be 14 days but stopped after 6 days due to a threat to prisoners health
• What happened on day 2?

  Prisoners rebelled - ripped uniforms, shouted and swore, while guards retaliated with fire extinguishers
• What were the findings in participants' behavior?

  Guards used 'divide-and-rule' tactics, harassed and punished prisoners

  Prisoners became depressed and anxious - 1 prisoner was released on the 1st day, and 2 more on the 4th day
• What happened to prisoner 416?

  Went on hunger strike - was put in solitary confinement and force fed