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Rock, Donald A.; Evans, Franklin R. – 1971
Methodologies were proposed for combining background and aptitude and/or achievement information in an approach to the classification problem using the concept of under- and overachievement. The methodologies were applied to independent samples from four high school curricula. The results suggest that when past achievement and/or aptitudes were…
Descriptors: Academic Achievement, Aptitude Tests, Classification, Cluster Grouping