Social and Behavioral Sciences Commons^™

Construct Validity Of Dimensions Of Adaptive Behavior: A Multitrait-Multimethod Evaluation., Alan W. Stacy, Keith F. Widaman, Sharon A. Borthwick-Duffy

CGU Faculty Publications and Research

The construct validity of four dimensions of adaptive and maladaptive behavior was investigated using the multitrait-multimethod matrix procedure of Campbell and Fiske (1959). Measures off our traits cognitive competence, social competence, social maladaption, and personal maladaption were obtained on a sample of 157 persons with moderate, severe, or profound mental retardation using each of three methods of measurement-standardized assessment instrument, day shift staff ratings, and evening shift staff ratings. Applying the Campbell and Fiske rules of thumb and recently proposed structural equation modeling techniques to the data demonstrated strong convergent validity, clear discriminant validity, and only moderate levels of method …