Compléter Stanford Experiment_2Version en ligne Hot Topics 3, ch. 1, reading 3 par Tatiana Muchnick 1 The results of the experiment showed that the of the participants was greatly affected by the they had been given . This was actually much greater than the researchers had . As the experiment , the guards became more and more verbally and physically , the prisoners became increasingly and several extreme emotional depression , crying , rage , and great . For this reason , the experiment , which was to run for 14 days , was stopped after only six . Five prisoners had to be even earlier because of extreme emotional , Zimbardo believes that the study demonstrates the powerful effect roles can have on peoples ? behavior .