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Download full textMuthen, Bengt O. – 1990
Issues related to between-class and within-class decomposition of achievement variance and the change of this decomposition over the course of the eighth-grade were examined using the Second International Mathematics Study (SIMS, 1985), a study in which there was a nested or hierarchical data structure of students within classes, within schools,…
Descriptors: Achievement Tests, Analysis of Variance, Factor Analysis, Grade 8
