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Rohrer, Doug; Dedrick, Robert F.; Hartwig, Marissa K.; Cheung, Chi-Ngai – Journal of Educational Psychology, 2020
We report the results of a preregistered, cluster randomized controlled trial of a mathematics learning intervention known as interleaved practice. Whereas most mathematics assignments consist of a block of problems devoted to the same skill or concept, an interleaved assignment is arranged so that no 2 consecutive problems require the same…
Descriptors: Randomized Controlled Trials, Mathematics Instruction, Grade 7, Assignments
Rohrer, Doug; Dedrick, Robert F.; Hartwig, Marissa K.; Cheung, Chi-Ngai – Grantee Submission, 2019
We report the results of a pre-registered, cluster randomized controlled trial of a mathematics learning intervention known as interleaved practice. Whereas most mathematics assignments consist of a block of problems devoted to the same skill or concept, an interleaved assignment is arranged so that no two consecutive problems require the same…
Descriptors: Randomized Controlled Trials, Mathematics Instruction, Grade 7, Assignments
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Quinn, David M.; Kim, James S. – Society for Research on Educational Effectiveness, 2016
Recognizing that standardized instructional treatments may not be equally effective across contexts, a growing number of scholars are arguing that the strategy of adopting packaged programs and striving to implement them faithfully is neither realistic nor desirable. An alternative view is that scaling up educational treatments requires balancing…
Descriptors: Predictor Variables, Educational Practices, Educational Change, Evidence
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Thomas, Marshall P.; Türkay, Selen; Parker, Michael – International Review of Research in Open and Distributed Learning, 2017
As online courses become more common, practitioners are in need of clear guidance on how to translate best educational practices into web-based instruction. Moreover, student engagement is a pressing concern in online courses, which often have high levels of dropout. Our goals in this work were to experimentally study routine instructional design…
Descriptors: Online Courses, Courseware, Best Practices, Educational Practices
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Mendive, Susana; Weiland, Christina; Yoshikawa, Hirokazu; Snow, Catherine – Journal of Educational Psychology, 2016
"Un Buen Comienzo" [A Good Start] was a professional development program implemented with prekindergarten and kindergarten teachers in Chilean public schools serving low-income families. In a randomized trial, the program showed moderate to large impacts on classroom quality but no impacts on targeted child outcomes. To unpack these…
Descriptors: Foreign Countries, Preschool Teachers, Professional Development, Kindergarten
Walters, Christopher – National Bureau of Economic Research, 2014
Studies of small-scale "model" early-childhood programs show that high-quality preschool can have transformative effects on human capital and economic outcomes. Evidence on the Head Start program is more mixed. Inputs and practices vary widely across Head Start centers, however, and little is known about variation in effectiveness within…
Descriptors: Early Childhood Education, Human Capital, Evidence, Federal Programs