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Gersten, Russell; Rolfhus, Eric; Clarke, Ben; Decker, Lauren E.; Wilkins, Chuck; Dimino, Joseph – American Educational Research Journal, 2015
Replication studies are extremely rare in education. This randomized controlled trial (RCT) is a scale-up replication of Fuchs et al., which in a sample of 139 found a statistically significant positive impact for Number Rockets, a small-group intervention for at-risk first graders that focused on building understanding of number operations. The…
Descriptors: Grade 1, Elementary School Students, Experimental Groups, Control Groups
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Rolfhus, Eric; Clarke, Ben; Decker, Lauren E.; Williams, Chuck; Dimino, Joseph – Society for Research on Educational Effectiveness, 2013
Large scale longitudinal research (Morgan, Farkas, & Wu, 2009) and a meta-analysis (Duncan et al., 2007) have found that early mathematics achievement is a strong predictor of later mathematics achievement. In fact, end of Kindergarten and end of grade 1 mathematics achievement on ECLS-K and similar mathematics proficiency measures tends to be…
Descriptors: Program Evaluation, Program Effectiveness, Mathematics Instruction, Intervention
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Gersten, Russell; Dimino, Joseph; Jayanthi, Madhavi; Kim, James S.; Santoro, Lana Edwards – American Educational Research Journal, 2010
Randomized field trials were used to examine the impact of the Teacher Study Group (TSG), a professional development model, on first grade teachers' reading comprehension and vocabulary instruction, their knowledge of these areas, and the comprehension and vocabulary achievement of their students. The multisite study was conducted in three large…
Descriptors: Elementary School Teachers, Faculty Development, Grade 1, Reading Instruction