In a study of the effects of type of study on exam performance, participants are

Question

In a study of the effects of type of study on exam performance, participants are randomly assigned to one of two conditions. In one condition, participants study alone using notes they took during class lectures. In a second condition, participants 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. a. What is the independent variable in this study? b. What is the dependent variable in this study? c. Identify the control and experimental groups in this study. d. Is the independent variable manipulated or a participant variable?

Explanation / Answer

Answer a

The type of study is the indepndent variable. The participants in one group, study alone using notes from class lectures while participants in another group, study in interactive groups using notes from class lectures

Answer b

Exam score is the dependent variable as study aims to see the impact of type of study on exam score. Also, exam scores are being measured.

Answer c

Student in condition one are in control group because nothing is manipulated towards them. Students in condition two are classified as experimental group because some level of change in independent variable, such as studying in interative groups, is taking place.

Answer d

In this scenario, the independent variable is being manipulated.

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