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Direct linkChan, Wendy; Oh, Jimin; Luo, Peihao – Journal of Research on Educational Effectiveness, 2021
Findings from experimental studies have increasingly been used to inform policy in school settings. Thus far, the populations in many of these studies are typically defined in a cross-sectional context; namely, the populations are defined in the same academic year in which the study took place or the population is defined at a fixed time point.…
Descriptors: Generalization, Research Design, Demography, Case Studies
