A Research Study Is Investigating the Effects of Studying French

question 8

Multiple Choice

A research study is investigating the effects of studying French 1, 2, or 3 hours weekly between fourth graders and ninth graders.How would this factorial design be best described?

• A)2 × 3
• B)3 × 2
• C)3 × 3
• D)6 × 3

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Definitions:

Extraneous Variable

Any variable that you are not intentionally studying in your experiment or test that could affect the outcome of your research.

Independent Variable

The variable in an experimental setup that is manipulated or changed to observe its effect on the dependent variable.

Vitamin Supplement

Dietary additions that provide nutrients, such as vitamins or minerals, to improve health beyond what is provided by food intake.

Independent Variable

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