Researchers studying the effects of alcohol consumption tested the physical coordination skills of 21-year-old men who were assigned to drink four, two, or zero ounces of an alcoholic drink in the laboratory. In this study, the dependent variable was the

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The dependent variable in this study is the physical coordination skills of the participants, as this is what is being measured and compared between the groups who consumed different amounts of alcohol. The other options (age, amount of alcohol consumed, and length of time) are either independent variables or extraneous variables that may be controlled or measured, but do not directly impact the outcome being studied.

Researchers Studying the Effects of Alcohol Consumption Tested the Physical