Question

A researcher is interested in the effect of exercise on stamina in elderly patients. The patients are randomly assigned to be in a high-exercise or low-exercise training program. At the end of the program, their stamina is measured by seeing how long they can walk comfortably on a treadmill. Identify the independent variable. Identify the dependent variable and explain how it was measure.

Answer 1

The independent variable is the exercise program (high vs low)

The dependent variable is what they are measuring so it would be the subjects stamina. The dependent variable is measured by how long they can walk comfortably on a treadmill (at the end of the program).

Answer 2

The identification of the dependent variable and independent variable should be shown below:

The following information should be considered:

• The independent variable should be the exercise program that varies from high to low
• The dependent variable is what they are determining so it would be the subjects stamina.

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