Results suggest that for most colleges in this sample the ACT tests were at least as efficient predictors of college overall GPA as were the SAT tests. (Authors)

The SIT Correlates highly enough with ACT scores to be considered a valid instrument for predicting acceptance and success in college. (Authors)

Included are three studies, each dealing with an aspect of comparative validity of the American College Test (ACT) and the Scholastic Aptitude Test (SAT) at selective colleges. The first study considered the predictive efficiency of the ACT test scores and ACT test scores plus high school grades at 120 colleges, separated into three groups…