Improving the Performance of the Education Sector: The Valuable, Challenging, and Limited Role of Random Assignment Evaluations
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In an attempt to improve the quality of educational research, the U.S. Department of Education's Institute of Education Sciences has provided funding for 65 randomized controlled trials of educational interventions. We argue that this research methodology is more effective in providing guidance to
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美国国家经济研究局创建时间：
2005-12-01
