Although Research Indicates Caffeine May Be an Effective Ergogenic Aid

question 5

Multiple Choice

Although research indicates caffeine may be an effective ergogenic aid for a variety of exercise endeavors, research is least supportive of its ergogenic effect on which of the following?

• A) aerobic endurance exercise
• B) muscular strength
• C) high-intensity intermittent exercise
• D) a and c
• E) b and c

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Definitions:

Dependent Variable

A variable in an experiment or model that is expected to change in response to manipulations of the independent variable(s).

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Criterion Variable

The dependent variable that researchers are interested in predicting or understanding in an experiment.

Positive Trend Line

A graphical representation indicating an increase or upward movement in data points over time.