“…In general, however, most of these studies have concerned themselves with the relationships between college grades and such factors as high school grades, high school class rank, high school subjects, special aptitudes, various achievement tests, and academic aptitude test scores. (3,11,5,1,6,2,7,8,12,9,10) These studies, in general, yield correlation coefficients around the mid .50's. Very sparse attention has been directed toward self-prediction of grades.…”