Over 70 citizens responded with applications. The applicants were then given diagnostic interviews and personality tests to eliminate candidates with actual psychological problems, medical disability problems, or a history of crime/drug use. 24 students from the United States and Canada in the Stanford area who wanted to earn fifteen US dollars an hour per day agreed by participating in the study. The students were young, healthy, intelligent, middle-class men. The men were then randomly assigned to prisoner or prison guard roles by the flip of a coin. There were 12 guards and 12 prisoners who had “assigned and selected roles at
Over 70 citizens responded with applications. The applicants were then given diagnostic interviews and personality tests to eliminate candidates with actual psychological problems, medical disability problems, or a history of crime/drug use. 24 students from the United States and Canada in the Stanford area who wanted to earn fifteen US dollars an hour per day agreed by participating in the study. The students were young, healthy, intelligent, middle-class men. The men were then randomly assigned to prisoner or prison guard roles by the flip of a coin. There were 12 guards and 12 prisoners who had “assigned and selected roles at