In Order to Remove the Effects of a Third (Or

question 18

Multiple Choice

In order to remove the effects of a third (or more) variable on the relationship between two interval- or ratio-scaled variables, which of the following techniques is appropriate?

• A) n-way analysis of variance
• B) Partial correlation
• C) Logistic regression
• D) n-way cross tabulation

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Definitions:

Primary Tumor

The original tumor where cancer first developed in the body.

Benzene

A colorless, volatile liquid hydrocarbon with a sweet odor, known to be carcinogenic, widely used as a precursor in the production of drugs, plastics, and dyes.

Chemical Carcinogen

A substance or agent that is known to cause cancer by altering the DNA within cells after exposure.