The Stanford Prison Experiment. Poster of the 2015 movie and cover of the 2007 book, The Lucifer Effect
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The Lucifer Effect
Philip G. Zimbardo, 2007
movie vs book
Kyle Patrick Alvarez, 2015

Stanford University psychology professor Philip Zimbardo conducts a psychological experiment to investigate the hypothesis that roles in social situations, rather than individual personality traits, cause participants’ behavior. In the experiment, Zimbardo selects eighteen male students to participate in a 14-day prison simulation to take roles as prisoners or guards.