Making all the participants in an experiment equal on the variable is something the experimenter tries to do. A) independent variable B) dependent variable C) extraneous variable D) all of the other alternatives are correct.

Question

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The experimenter tries to make all participants equal on the extraneous variable to control for variables that are not the focus of the study but could influence the outcome, thereby ensuring that any observed effects are due to the manipulation of the independent variable rather than some other factor.

Making All the Participants in an Experiment Equal on the