The Stanford Prison Experiment consisted on choosing 24 men of University of Stanford to play role as guards and prisoners in a fake prison built in the University basement. The experiment was conducted by the psychology professor Phillip Zimbardo, who wanted to investigate the difficulties caused in America penal system. He wanted to find out if the negative environment such as the prison would lead people with good personalities in acting different of what they usually do. Therefore, he would like to see if the students were going to assume the role of guards and prisoners, and how this would affect their behavior, because this position would give to the guards the sense of power over the other students, and the students assigned as prisoners
