Vasily participated in a replication of Milgram's original obedience experiment. Like the other "teachers" in the Milgram experiments, as Vasily became more emotionally aroused, his emotions interfered with clear thinking. When this happened, the __________ factor tended to increase the likelihood of obedience

a. buffer c. lack of social comparison
b. perception of legitimate authority d. inaccessibility of values

D