To study some effects of alcohol consumption,Dr.Chu tested the physical coordination skills of 21-year-old men who had just drunk either 4,2,or 0 ounces of alcohol.In this study,the independent variable consisted of

A) the age of the research participants.
B) the physical coordination skills of the research participants.
C) the amount of alcohol consumed.
D) the effects of alcohol consumption.

Independent Variable

In an experiment, the variable that is intentionally changed or manipulated by the researcher to observe its effect on the dependent variable.

Alcohol Consumption

The act of drinking beverages containing ethyl alcohol, which can affect cognitive and physical functions.

Physical Coordination Skills

Abilities that involve the use of the body's muscles in a synchronized manner to perform tasks efficiently and effectively.