The predictive validity of the American College Test (ACT) for two classes totaling 2,289 students was investigated at successive intervals over four years of college. Correlational coefficients and expectancy tables substantiated the validity of the ACT for prediction of GPA, for progress, and for graduation within four years. (Author)

English 1 grades, Scholastic Aptitude Test scores, and fall semester grade point averages for 149 students were analyzed to determine relationships among variables, with particular attention to the experimental Test of Standard Written English (TSWE). The meaning and utility of the TSWE remains unclear for this sample. (Author)

Describes components of the Prediction System, one section of the computer-based System of Interactive Guidance and Information (SIGI). Students who use the SIGI Prediction System are provided with detailed criterion information and asked to rate themselves. Predictive validities for final grades in four courses were examined. Consistent findings…