For the Following Question(s): a Researcher Is Interested in a New

question 79

Multiple Choice

For the following question(s) : A researcher is interested in a new kind of exercise. This new exercise can be done by anyone because it does not require any equipment, and therefore could be potentially beneficial without cost to the person. The researcher is interested in whether this new exercise will reduce the rate of heart attacks in the people who participate in doing it.
-What is the comparison distribution?

• A)The distribution of those who participate in the exercise program.
• B)The distribution of those who do not participate in the exercise program.
• C)The distribution of those who have heart attacks.
• D)The distribution of those who do not have heart attacks.

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Definitions:

Independent Variable

A variable often denoted as 'X' whose variation does not depend on that of another and is manipulated to observe its effect on a dependent variable.

Levels

The different values or categories of a factor in an experiment.

Combinations

A mathematical technique to determine the total possible arrangements of a set of items where the order of the items does not matter.

Factorial Designs

A statistical analysis method that allows researchers to study the effects of two or more independent variables on a dependent variable simultaneously.