Ο καθηγητής O, Τμήμα Ψυχολογίας, καλεί τους μαθητές να συμμετάσχουν εθελοντικά στα πειράματά του μέρος 1

The students visited the professor's house, believing that they would be conducting an interesting experiment on “group behavior. The students were by the professor and filmed the experiment.