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Peer reviewedHumphreys, Lloyd G.: And Others – Applied Psychological Measurement, 1979
A simplex process model of the cross-lagged correlation paradigm was applied to 16 tests administered to samples of Black and White males and females in grades 5, 7, 9, and 11. Relationships among the measures as well as the use of the model are discussed. (Author/JKS)
Descriptors: Academic Achievement, Achievement Tests, Data Analysis, Elementary Secondary Education
