24 men were selected and were paid $15 for their participation.
Prisoners were 'arrested' in their homes. They were stripped, given uniforms, were given tags and were blindfolded on their way to the prison.
Three participants left the study early after facing extreme distress.
The Lucifer Effect - The idea that no one is born evil, and the barrel itself is rotten.
Findings: That social roles were quickly established and conformed to. Guards took roles enthusiastically and constantly harassed the prisoners. They seemed to enjoy the power they had over the prisoners. Prisoners rebelled.
