Which of the Following Can Be Classified as a Causal

question 27

Multiple Choice

Which of the following can be classified as a causal research study? The researcher is attempting to find out:

• A) What percentage of the population believes consumer products are of the same or better quality today than 10 years ago.
• B) Which manufacturers in the U.S. contribute the highest percentage of their net income to private non-profit organizations.
• C) How the murder rate in Detroit fluctuates with the economy and population trends.
• D) Why unemployment is higher in Chicago than Houston.

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Definitions:

Eye Safety

The practice of taking preventative measures to protect the eyes from injury, strain, or infection.

Cleaning Solutions

Mixtures or substances used to remove dirt, germs, and other contaminants from surfaces.

Choroid

The middle layer of the eye, which contains the iris, the ciliary body, and most of the eye’s blood vessels.

Ciliary Body

A wedge-shaped thickening in the middle layer of the eyeball that contains the muscles that control the shape of the lens.