Final answer:
The Stanford Prison Experiment found that half of the top ten locations police were called to were Stanford prison. The experiment aimed to study the psychological effects of prison life, with participants randomly assigned the roles of prisoners or guards. It was stopped after six days because of the negative outcomes and mistreatment of the prisoners.
Step-by-step explanation:
The experiment that found that half of the top ten locations police were called to were Stanford prison. The Stanford Prison Experiment, conducted by social psychologist Philip Zimbardo at Stanford University in 1971, aimed to study the psychological effects of prison life. In this experiment, participants were randomly assigned the roles of prisoners or guards and displayed aggressive behavior in their assigned roles. The experiment was halted after six days due to the negative outcomes and mistreatment of the prisoners.