Historically, nontest variables have been used more frequently than achievement test scores in the prediction of educational progress, but research in this area has been largely empirical. Recently, however, a theoretical model based on the premise that past behavior is the best predictor of future behavior was formulated. This model was used in a…

This review examines the accuracy and the concurrent and predictive validity of brief self-report information, and evaluates the promise and problems involved in its practical use. In section one, the power of self-report information for predicting and understanding grades is reviewed. In the second section, research on the influence of background…