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Direct linkChan, Wendy; Oh, Jimin – Journal of Experimental Education, 2023
Many generalization studies in education are typically based on a sample of 30-70 schools while the inference population is at least twenty times larger. This small sample to population size ratio limits the precision of design-based estimators of the population average treatment effect. Prior work has shown the potential of small area estimation…
Descriptors: Generalization, Computation, Probability, Sample Size
Tatar, Deborah; Roschelle, Jeremy; Knudsen, Jennifer; Shechtman, Nicole; Kaput, Jim; Hopkins, Bill – Journal of the Learning Sciences, 2008
We report on the initial attempts at evaluating "at scale" a particular technological/curricular innovation that enables more students to develop deeper knowledge. The methods, issues, and findings of the current pilot experiment speak not only to the success of SimCalc MathWorlds, the focus of our research program, but also to the…
Descriptors: Constructivism (Learning), Computer Assisted Instruction, Measures (Individuals), Mathematics Teachers
