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Open Access. Powered by Scholars. Published by Universities.®

2013

Educational Psychology

University of Iowa

Age Effect

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Effects Of Age And Schooling On 22 Ability And Achievement Tests, James Lamar Gambrell May 2013

Effects Of Age And Schooling On 22 Ability And Achievement Tests, James Lamar Gambrell

Theses and Dissertations

Although much educational research has investigated the relative effectiveness of different educational interventions and policies, little is known about the absolute net benefits of K-12 schooling independent of growth due to chronological age and out-of-school experience. The nearly universal policy of age tracking in schools makes this a difficult topic to investigate. However, a quasi-experimental regression discontinuity design can be used to separate observed test score differences between grades into independent age and schooling components, yielding an estimate of the net effects of school exposure at each grade level. In this study, a multilevel version of this design was applied ...