In a study of the effects of types of study on exam performance, subjects are ra

Question

In a study of the effects of types of study on exam performance, subjects are randomly assigned to one of two conditions. In one condition, subjects study in a traditional manner—alone using notes they took during class lectures. In a second condition, subjects study in interactive groups with notes from class lectures. The amount of time spent studying is held constant. All students then take the same exam on the material.

What is the independent variable in this study?

What is the dependent variable in this study?

Identify the control and experimental groups in this study.

Is the independent variable manipulated, or is it a subject variable?

Explanation / Answer

1. The independent variable is the type of study.

2. The dependent variable is exam performance.

3. The control group in the study is the set of participants who use the traditional method, while the experimental group is the set of participants who use the interactive method.

4. The independent variable is manipulated because the participants are assigned randomly to the different conditions.

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