Dr. Sheffield is a clinical psychologist who specializes in treating pathological gambling. Pathological gambling is defined as being unable to resist impulses to gamble. Bothered by not having a good measure that he can give to clients to determine whether they are suffering from this condition, he creates a new measure of pathological gambling. The measure has 15 questions, and it takes 20 minutes to complete.
To test his measure, Dr. Sheffield gives his measure to a group of people in Gamblers Anonymous (GA) and another group of people in Alcoholics Anonymous (AA). He finds that people in the GA group have higher scores on his new measure than people in the AA group. This procedure is known as a:

Question

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The procedure used by Dr. Sheffield is known as a known-groups paradigm, in which a measure is administered to two different groups of individuals who are known to differ on the construct being measured. In this case, the GA group and the AA group are expected to differ in terms of their levels of pathological gambling, and Dr. Sheffield's measure is used to test this hypothesis.

Dr Sheffield Is a Clinical Psychologist Who Specializes in Treating