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Hanson, Marjorie; And Others – Educational Administration Quarterly, 1986
Identifies situations in which there is disparity between coefficients calculated from aggregate versus individual level data. Determines the magnitudes of these discrepancies, and discusses the implications for test score reporting and policy decisions based in whole or in part on the aggregate level relationships and discrepancies identified.…
Descriptors: Academic Achievement, Data Analysis, Data Collection, Data Interpretation