This reply to William A. Mehrens argues that test validity is the central issue in discussing the appropriate role of tests. It states that the procedures used to establish the validity of tests are inadequate because they depend primarily on content validity and not on construct and criterion validity. (JAZ)

Presents a comprehensive review of validity that includes an empirical evaluation of the actual and potential consequences of score interpretation and use, how those consequences come about, and what determines them. Six distinguishable aspects of construct validity are highlighted as a means of addressing central issues implicit in the notion of…