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.
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.
What Milgram discovered is that the majority of participants in the experiment all ordinary people were willing to inflict pain and harm on another person because an authority figure (the experimenter) told them to do so.