Question : A. The instructor’s enthusiasm obviously outweighs his methodological savvy. (i) Write : 5561

A.   The instructor’s enthusiasm obviously outweighs his methodological savvy. (i) Write down two rival causes that could explain why students who accessed the video review scored higher on the exam than students who did not access the video review. (ii) Describe how each rival cause could account for the video review–exam score relationship.

B.   Suppose the instructor would like to improve his procedure for determining whether the video review causes students to score higher on exams. Suppose further that you are asked to recommend three procedures that would greatly improve the instructor’s study. (i) What three procedures would you recommend? (ii) Explain why these procedures would help isolate the effect of video review on exam scores.