Zimbardo's prison experiment(1973)
aim: investigate how far people would conform to social roles
procedure: A mock prison set up in the basement of Stanford University where 21 male student volunteers who were tested as 'emotionally stable' and were randomly assigned roles of prisoner or guard, they were encourages to conform to the role, to help they were given uniforms to their assigned roles and instructions about behaviour
guards - uniform, wooden clubs, handcuffs and mirrored glasses
prisoners - referred to as a number and given a uniform