Set up a mock prison in Stanford Unvieristy basement
Advertised for volunteers and selected the emotionally stable after extensive psyhcological assessment.
Students randomly assigned role
Prisoners arrested in their own homes, blindfolded, strip searched, given uniform and number.
16 rules to follow, enforced by guards on shift, no more than 3 a time
Names not used for prisoners, only numbers
Guards had uniform, wooden club, handcuffs, keys, shades.
Guards were given control over prisoners