The purpose of this study was to empirically examine two empirically examine two main areas of concern in selecting criteria for validation studies: the development of the criterion and the multiple criteria versus composite criterion debate. Evidence was found for the ability of the various weighting schemes used to generate composites that were statistically and conceptually different from one another. Knowledge of the nature of each composite, along with the multiple criteria approach, proved essential to understanding the composite criterion to the validation process. Selection and treatment of the criterion apparently consist of judgment and individual estimations.