Evidence matters : randomized trials in education research /
Annotation Opinions about education programs and practices are offered frequently -- by children, parents, teachers, and policymakers. Credible studies of the impact of programs on the performance of children are far less frequent. Researchers use a variety of tools to determine their impact and eff...
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Washington, D.C. :
Brookings Institution Press
©2002.
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| Առցանց հասանելիություն: | https://www.jstor.org/stable/10.7864/j.ctvc16n69 |