The answer is (C) The subject and learner were together in the same room. The subject, who is responsible for administering the electrical shock according to the orders given by the experimenter, is less likely to administer the highest level (450 volts) if the learner is in the same room. In other words, the subjects are less likely to be obedient towards the authority figure when the learner is in the same room than when the subjects are in a different room from the learner.
