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The Stanford prison experiment . 1971. How does authority influence people’s behavior?. was conducted at Stanford University in 1971 by psychology professor Philip Zimbardo . 24 male students were selected to take on randomly assigned roles of prisoners and guards.
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was conducted at Stanford University in 1971 by psychology professor Philip Zimbardo. • 24 male students were selected to take on randomly assigned roles of prisoners and guards
Conditions • a 7 to 14 day period - $15 per day • It wasn’t allowed physically harm the prisoners • Guards – khaki shirt and pants, mirrored sunglasses • Prisoners- ill-fitting smocks. Had assigned numbers instead of names.
One-third of the guards exhibited genuine sadistic tendencies • physical punishment; • sanitary conditions declined; • left prisoners to sleep on concrete; • sexual humiliation
The experiment was abruptly stopped after only 6 days. More than 50 people had observed the experiment, only one questioned its morality.
Conclusions The situation, rather than their individual personalities, causes the participants' behavior.