Before the experiment Milgram polled people asking how many teachers they thought would go to the maximum voltage.

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In Milgram's experiment, 79 percent of participants who got to that point went all the way to the maximum shock, he said.

CNN: Charting the psychology of evil, decades after 'shock' experiment

To eliminate bias from the fame of Milgram's experiment, Burger ruled out anyone who had taken two or more college-level psychology classes, and anyone who expressed familiarity with it in the debriefing.

CNN: Charting the psychology of evil, decades after 'shock' experiment

They have looked again at the famed Milgram and Stanford Prison Experiment studies from the 1960s and 1970s, and have come to different conclusions as to why people do the wrong things when they believe an authority wants them to do so.

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