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Direct linkSteven 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
Jacob, Robin; Armstrong, Catherine; Bowden, A. Brooks; Pan, Yilin – Journal of Research on Educational Effectiveness, 2016
This study evaluates the impacts and costs of the Reading Partners program, which uses community volunteers to provide one-on-one tutoring to struggling readers in under-resourced elementary schools. The evaluation uses an experimental design. Students were randomly assigned within 19 different Reading Partners sites to a program or control…
Descriptors: Volunteers, Tutorial Programs, Randomized Controlled Trials, Tutors
Bohaty, Janet J.; Hebert, Michael A.; Nelson, J. Ron; Brown, Jessica A. – Reading Horizons, 2015
This systematic descriptive historical review was conducted to examine the status and trends in expository text structure instruction efficacy research for first through twelfth grade students. The analysis included sixty studies, which spanned the years 1978 to 2014. Descriptive dimensions of the research included study type, research design,…
Descriptors: Expository Writing, Text Structure, Reading Writing Relationship, Elementary Secondary Education
