The purpose of this study was to determine the relationship between the Q-scores and the L-scores made on the American Council on Education Psychological Examination and the scores made on Aptitudes "N" and "V" of the General Aptitude Test Battery by the same students, and to compare the academic grades of these same students with the aforementioned test scores in order to determine what relationship exists, if any, between academic grades made in certain selected courses and scores made on each of the aforementioned tests.