5. How did students’ behavior change over the course of the exercise? A. “Superior” students stayed the same, while “inferior” students became shyer and less willing to speak in class.

B. “Superior” students became more confident and unfriendly, while “inferior” students became more yielding and distant.

C. All of the students became hostile and unfriendly toward each other, regardless of which group they belonged to.

D. All of the students accepted the exercise at first, but the “inferior” students refused to participate in the exercise on the second day.