Stanford Prison Experiment illustration
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Stanford Prison Experiment

Situations and roles can reshape behavior quickly and strongly.

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Definition

  • The Stanford Prison Experiment is a famous study suggesting that ordinary people can rapidly adopt cruel or submissive behavior when placed into powerful social roles and situations.

Core Idea

  • Situations and roles can reshape behavior quickly and strongly.
  • "Good" people may act badly under role pressure and a permissive environment.
  • Designing environments and roles carefully matters because circumstances mold conduct.

How It Works

  • Participants were assigned roles of guards or prisoners in a simulated prison.
  • The roles, uniforms, and setting created strong situational expectations.
  • Behavior escalated, with guards becoming harsh and prisoners distressed, until the study was stopped early.

Usage Example

  • An organization that hands people unchecked authority over others, with weak oversight, can see abuses emerge from the role and culture rather than from "bad individuals."

Famous Example

  • Example: Philip

Use Cases / Situations Where It Applies

  • Designing oversight for roles with power over others.
  • Discussing situational versus dispositional causes of behavior.
  • Ethics of authority and institutions.

When Not to Use or Common Misuse

  • Do not cite it as airtight proof that situations fully determine behavior.
  • Do not ignore the serious methodological criticisms.
  • Do not use it to excuse personal responsibility for harmful acts.

Rule Invention / Origin

  • Invented by: Philip

Evidence / Research Basis

  • The study is foundational in discussions of situationism but is methodologically contested; later work (e.g., the BBC Prison Study) reached different conclusions.