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Download full textRock, Donald A. – ETS Research Report Series, 2007
This study addressed concerns about the potential for differential gains in reading during the first 2 years of formal schooling (K-1) versus the next 2 years of schooling (1st-3rd grade). A multilevel piecewise regression with a node at spring 1st grade was used in order to define separate regressions for the two time periods. Empirical Bayes…
Descriptors: Reading Achievement, Achievement Gains, Elementary School Students, Longitudinal Studies
