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Carnoy, Martin; Khavenson, Tatiana; Loyalka, Prashant; Schmidt, William H.; Zakharov, Andrey – American Educational Research Journal, 2016
International assessments, such as the Program for International Student Assessment (PISA), are being used to recommend educational policies to improve student achievement. This study shows that the cross-sectional estimates behind such recommendations may be biased. We use a unique data set from one country that applied the PISA mathematics test…
Descriptors: International Assessment, Outcomes of Education, Longitudinal Studies, Achievement Tests
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Lee, Jaekyung – American Educational Research Journal, 2010
This study examines trends in American students' growth trajectories in reading and math achievement over the past three decades. Drawing upon multiple sources of national assessment data, cohort analyses provide new evidence on the stability and change of national academic growth curves. The emerging trends imply a tripartite pattern where…
Descriptors: Academic Achievement, Data Analysis, Reading Achievement, Mathematics Achievement