In 1971, psychologist Philip Zimbardo ran the now famous Stanford prison experiment to show that prison could make normal people behave in pathological ways. Based on the first thorough investigation in the archives of the experiment and on interviews with about half of its participants, this book shows that the Stanford prison experiment is far from being scientific. In particular, the guards knew what results were expected from them, they were trained and supervised by the experimenters, and they were following a schedule and a set of rules written by the experimenters. The experimenters deceived the guards and made them believe they were not subjects. They also borrowed many elements from a previous student experiment without disclosing this information in their reports. The prisoners were not allowed to leave the experiment at will, and they were conditioned by the experimenters. The mock prison situation was unrealistic. Most participants did not forget they were participating in
