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Thomas, Neal – Psychometrika, 2002
Studied the improvement in precision of population estimates from the inclusion of extensive covariates in the multivariate procedure that imputes values for the missing proficiencies. Analysis of data from the National Assessment of Educational Progress (samples of 10,291 eighth graders and 8,416 fourth graders) shows that improvement in…
Descriptors: Elementary Education, Elementary School Students, Estimation (Mathematics), Junior High School Students