When utilizing the contrasted groups method for demonstrating criterion-related validity, one wishes to demonstrate that _____.

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The contrasted groups method for demonstrating criterion-related validity involves showing that a test can effectively differentiate between two distinct groups (e.g., experts vs. novices, diagnosed vs. non-diagnosed individuals). This method is used to validate that the test measures what it is supposed to measure by showing that scores for one group are significantly different from those of another group, based on the criterion of interest.

When Utilizing the Contrasted Groups Method for Demonstrating Criterion-Related Validity