In the external-criterion validation the test author:

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In external-criterion validation, the test author completes convergent validity studies to compare the test scores with those of other established measures of the same construct or related constructs. This helps to establish whether the test measures what it is intended to measure and to what extent it correlates with other measures of the same construct or related constructs. Scale interactions, pilot testing, and factor analytic studies are relevant to other types of validation.

In the External-Criterion Validation the Test Author