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A Multisite Randomized Controlled Trial of the Effectiveness of Descubriendo la Lectura

A Multisite Randomized Controlled Trial of the Effectiveness of Descubriendo la Lectura We present findings from a randomized controlled trial of Descubriendo la Lectura (DLL), an intervention designed to improve the literacy skills of Spanish-speaking first graders, who are struggling with reading. DLL offers one-on-one native language literacy instruction for 12 to 20 weeks to each school’s lowest performing first-graders. Examining literacy outcomes for 187 students, hierarchical linear model analyses revealed statistically significant effects of student-level assignment to DLL on all 9 outcomes evaluated. Impacts were as large as 1.24 standard deviations, or a learning advantage relative to controls exceeding a full school year of achievement growth. The mean effect size of d = 0.66 across the nine literacy measures is equal to approximately two thirds of the overall literacy growth that occurs across the first-grade year. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Educational Research Journal SAGE

A Multisite Randomized Controlled Trial of the Effectiveness of Descubriendo la Lectura

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References (54)

Publisher
SAGE
Copyright
© 2019 AERA
ISSN
0002-8312
eISSN
1935-1011
DOI
10.3102/0002831219890612
Publisher site
See Article on Publisher Site

Abstract

We present findings from a randomized controlled trial of Descubriendo la Lectura (DLL), an intervention designed to improve the literacy skills of Spanish-speaking first graders, who are struggling with reading. DLL offers one-on-one native language literacy instruction for 12 to 20 weeks to each school’s lowest performing first-graders. Examining literacy outcomes for 187 students, hierarchical linear model analyses revealed statistically significant effects of student-level assignment to DLL on all 9 outcomes evaluated. Impacts were as large as 1.24 standard deviations, or a learning advantage relative to controls exceeding a full school year of achievement growth. The mean effect size of d = 0.66 across the nine literacy measures is equal to approximately two thirds of the overall literacy growth that occurs across the first-grade year.

Journal

American Educational Research JournalSAGE

Published: Oct 1, 2020

Keywords: English language learners,literacy,randomized controlled trial,Spanish

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