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Hand, Carol A.; Prather, James E. – 1986
This paper investigates the problems of the impact of grouping on measuring academic performance. It focuses on inferences made from the group level to the individual level. Data for a large state college system with over 30 individual colleges is used. The problem of aggregation bias is studied using the analysis of covariance and is related to…
Descriptors: Academic Achievement, Analysis of Variance, Cluster Grouping, College Entrance Examinations