The independent variable in an experiment is:
Correct answer: C. the variable that the experimenter chooses to manipulate
- A. the subject himself
- B. a measure of the subject's behavior
- C. the variable that the experimenter chooses to manipulate
- D. any unwanted variable that may adversely affect the subject's performance
Explanation
The independent variable is the factor deliberately changed by the experimenter to observe its effect on another variable. A behavior measure is usually the dependent variable, while unwanted influences are extraneous variables.
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