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Chapter 2: Problem 3

A researcher found that clients who were randomly assigned to samesex groups participated more in group therapy sessions than clients who were randomly assigned to coed groups. In this experiment, the independent variable was: A. the amount of participation in the group therapy sessions. B. whether or not the group was coed. C. the clients' attitudes toward group therapy. D. how much the clients' mental health improved.

Short Answer

Expert verified
Answer: The independent variable in the experiment is whether or not the group was coed.

Step by step solution

01

Understand the given experiment

In the given experiment, clients were randomly assigned to either same-sex groups or coed groups, and researchers observed their participation in group therapy sessions.
02

Eliminate irrelevant options

We can eliminate options that are not related to the grouping of clients in the therapy sessions or are consequences/results of the independent variable. Therefore, we can eliminate: A. the amount of participation in the group therapy sessions (result/consequence) C. the clients' attitudes toward group therapy (not relevant) D. how much the clients' mental health improved (result/consequence)
03

Identify the independent variable

From the remaining option: B. whether or not the group was coed (grouping of clients in therapy) Here, researchers manipulate the group type (same-sex or coed) to observe its effect on participation. Therefore, the independent variable is whether or not the group was coed. The correct answer is option B.

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Most popular questions from this chapter

The problem of experimenter bias can be avoided by: A. not informing participants of the hypothesis of the experiment. B. telling the subjects that there are no "right" or "wrong" answers. C. using a research strategy in which neither subjects nor experimenter know which participants are in the experimental and control groups. D. having the experimenter use only nonverbal signals when communicating with the participants.

Whenever you have a cold, you rest in bed, take aspirin, and drink plenty of fluids. You can't determine which remedy is most effective because of which of the following problems? A. sampling bias B. distorted self-report data C. confounding of variables D. experimenter bias

A researcher wants to see whether a protein-enriched diet will enhance the maze-running performance of rats. One group of rats are fed the high-protein diet for the duration of the study; the other group continues to receive ordinary rat chow. In this experiment, the diet fed to the two groups of rats is the ______________ variable. A. correlated B. control C. dependent D. independent

Sampling bias exists when: A. the sample is representative of the population. B. the sample is not representative of the population. C. two variables are confounded. D. the effect of the independent variable can't be isolated.

A tentative prediction about the relationship between two variables is: A. a confounding of variables. B. an operational definition. C. a theory. D. a hypothesis.
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