The ability of high school grades (grade point average) and SAT® scores to predict cumulative grades in different types of college courses was evaluated in a sample of 26 colleges. Appended are: (1) Sample Sizes, Means, and Standard Deviations for Subgroups Defined by Gender, Race/Ethnicity, and Course Type; and (2) Prediction of Cumulative GPA by…

Although a number of large-scale studies have demonstrated an increase in predictive validity when SAT® scores are added to high school grades, this increment is often described in terms of a seemingly very small increase in explained variance. This may have led to the erroneous belief among test critics and others that students with low SAT…