Dr. Cheng studies social influence. He is concerned because he is finding that rates of conformity in his experiments are much higher than those reported by his cousin, another social influence researcher. What might account for this difference?

A. Dr. Cheng uses more stringent statistical procedures, making it more likely he will find the results he seeks.
B. Dr. Cheng is conducting his experiments in a country that prizes individualism, whereas his cousin is conducting experiments in a country that prizes collectivism.
C. Dr. Cheng is conducting his experiments in a country that prizes collectivism, whereas his cousin is conducting experiments in a country that prizes individualism.
D. Dr. Cheng has only male participants, whereas his cousin has only female participants.