Assessing Substance Abusers with the Millon Clinical Multiaxial Inventory (MCMI)

The construct validity of a psychological test is assessed by a multitrait-multimethod nomothetic matrix, which means that the psychometric properties of an assessment instrument are studied with a variety of populations and in a variety of settings and weighed against a variety of other measures that purportedly assess the same construct. This concept implies that a test might have strong validity with some populations and weak validity with others, and this is the central theme of this book. I