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A professor is interested in whether taking online quizzes over a chapter before discussing the chapter in class will improve students' test performance

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A professor is interested in whether taking online quizzes over a chapter before discussing the chapter in class will improve students' test performance. The professor is interested in examining the testing effect, the finding that taking a memory test not only asses what one knows, but also enhances later retention. The professor hypothesizes that students who take chapter quizzes will score higher on the midterm exam than students who do not take chapter quizzes.

1. Design and describe an experiment that could test this hypothesis.

2. Identify the IV and DV.

3. Provide an operational definition of each variable.