Savin

• not fully informed consent - Savin


  -didn't know they'd be arrested from home or stripped
• not protected from psychological harm - Savin


  -Ps humiliated & dehumanised

  -sleep deprived

  -hunger strike

  -guards felt guilty about actions
• no right to withdraw


  -one P asked to leave & Zimbardo offered chance to be 'snitch' in exchange for protection

  -feel he couldn't leave
• Zimbardos response to consent criticism


  -Zimbardo held several debriefings

  -help deal with their reactions to experience

  -Ps did sign agreement to act as volunteers
• Zimbardo's response to psychological harm criticism


  -debriefing sessions to help deal with reactions

  -during year after study, contact maintained with Ps to prevent negative effects persisting

  -Zimbardo didn't know what'd happen in study
• Zimbardo's response to withdrawal criticism


  -Ps informed of right to withdraw

  -Zimbardo didn't say they couldn't leave

  -a P did withdraw