Researchers Studying the Effects of Alcohol Consumption Tested the Physical

Multiple Choice

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

A) age of the research participants.
B) amount of alcohol consumed.
C) length of time elapsed between drinking the alcohol and taking the coordination test.
D) physical coordination skills of the participants.