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Steven Glazerman; Larissa Campuzano; Nancy Murray – Evaluation Review, 2025
Randomized experiments involving education interventions are typically implemented as cluster randomized trials, with schools serving as clusters. To design such a study, it is critical to understand the degree to which learning outcomes vary between versus within clusters (schools), specifically the intraclass correlation coefficient. It is also…
Descriptors: Educational Experiments, Foreign Countries, Educational Assessment, Research Design
Douglas D. Ready; Sierra G. McCormick; Rebecca J. Shmoys – Annenberg Institute for School Reform at Brown University, 2024
This paper describes a 12-week cluster randomized controlled trial that examined the efficacy of BookNook, a virtual tutoring platform focused on reading. Cohorts of first- through fourth-grade students attending six Rocketship public charter schools in Northern California were randomly assigned within grades to receive BookNook. Intent-to-Treat…
Descriptors: Computer Assisted Instruction, Instructional Effectiveness, Tutoring, Reading Achievement
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Naveenkumar, Nithya; Georgiou, George K.; Vieira, Ana Paula Alves; Romero, Sandra; Parrila, Rauno – Reading & Writing Quarterly, 2022
Although several studies have examined the effectiveness of reading fluency interventions, the methodological rigor of these studies remains unclear. The purpose of this study was to examine the quality of randomized controlled trial (RCT) reading fluency intervention studies using the Council for Exceptional Children (CEC) standards. Twenty-six…
Descriptors: Reading Fluency, Reading Research, Intervention, Reading Instruction