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To study some effects of drinking alcohol, Dr. Chu tested the physical abilities of 21-year-old men. The research participants were first assigned to drink a beverage with either 4, 2, or 0 ounces of alcohol. In this study, the independent variable consisted of

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Answer:

the amount of alcohol consumed

Explanation:

Independent variable: In psychology, the independent variable is defined as the psychology experiment's characteristics that are being changed or manipulated. In a psychological experiment, the researcher controls or changes the independent variable and affects directly the dependent variable.

Example of the independent variable: Time and age.

The independent variable is considered to be as independent of everything else in an experiment.

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