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Download full textFleisch, Brahm; Taylor, Stephen; Schöer, Volker; Mabogoane, Thabo – South African Journal of Education, 2017
This article illustrates the value of large-scale impact evaluations with counterfactual components. It begins by exploring the limitations of small-scale impact studies, which do not allow reliable inference to a wider population or which do not use valid comparison groups. The paper then describes the design features of a recent large-scale…
Descriptors: Randomized Controlled Trials, Reading Programs, Educational Improvement, Improvement Programs
