Previous research has suggested that although ACT and SAT are equally capable of predicting first semester college grades, ACT seems to predict first semester GPA more accurately at highly selective institutions. The present study found, instead, that SAT was the more valid predictor at a highly selective midwestern university. In addition, comparisons were made between the long and short form results of the SAT to determine equivalency of the tests as well as to determine equivalency of the results under different testing conditions.
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