Construct irrelevance (CI) and construct underrepresentation (CU) are 2 major threats to validity, yet they are rarely discussed within the counseling literature. This article provides information about the relevance of these threats to internal validity. An illustrative case example will be provided to assist counselors in understanding these…

A method for estimating criterion validity of scales with homogeneous components is outlined. It accomplishes point and interval estimation of interrelationship indices between composite scores and criterion variables and is useful for testing hypotheses about criterion validity of measurement instruments. The method can also be used with missing…

Makes six suggestions for selecting appropriate career assessment instruments in the areas of proper training, use of the right kind of standards, deciding what information is needed, getting written documentation about tests under consideration, careful evaluation of instruments, and becoming familiar with issues in career assessment. (ABL)