If You Were Interested in Determining the Effectiveness of a New

question 6

Multiple Choice

If you were interested in determining the effectiveness of a new medication in treating depression, it would be most important that you use

• A)naturalistic observational methods.
• B)correlational research.
• C)a double-blind design.
• D)a stratified sample.

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Definitions:

Categorical Variable

A variable that represents groups or categories with no intrinsic ranking or order.

Expected by Chance

An outcome or result that occurs without a deliberate intention, as if by random occurrence or luck.

Two-sample Chi-square

A statistical test used to compare the difference between two categorical variables from two different populations.

Dependent

Referring to a variable in scientific research that is expected to change as a result of manipulations of independent variable(s).