The Experiment was a documentary series broadcast on BBC television in 2002 produced by Steve Reicher and Alex Haslam in which 15 men are randomly selected to be either "prisoner" or guard, contained in a simulated prison over an eight-day period. “The BBC Prison Study explores the social and psychological consequences of putting people in groups of unequal power. It examines when people accept inequality and when they challenge it”. The documentary presented the findings of what subsequently became known as The BBC Prison Study

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