A Psychiatrist Is Interested in Determining If Conditions of Individuals

question 58

Multiple Choice

A psychiatrist is interested in determining if conditions of individuals who are clinically depressed improve with either 20 or 40 milligrams of Prozac.She administers 20 milligrams to a random half of her clients and 40 milligrams to the other half.After six months,she finds that the clients who took 40 milligrams of Prozac are significantly less depressed than those clients who took 20 milligrams of Prozac.Which type of study did the psychiatrist conduct?

• A)correlational research
• B)experimental research
• C)controlled research
• D)hypothetical research

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Definitions:

Construct Validity

The extent to which a test measures what it claims to be measuring.

Construct Validity

The degree to which a test measures what it claims to be measuring, specifically the ability of a measurement tool to actually measure the theoretical construct it intends to measure.

Criterion-related Validity

The extent to which a test's scores correlate with another measure or outcome that it is theoretically expected to predict.

Content Validity

The degree to which a test or measure reflects the entire range of material it is supposed to be testing.