Does Head Start Do Any Lasting Good?
收藏NBER2011-09-01 更新2025-01-04 收录
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https://www.nber.org/papers/w17452
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资源简介：
Head Start is a federal early childhood intervention designed to reduce disparities in preschool outcomes. The first randomized experimental study of Head Start, the National Head Start Impact Study (NHSIS), found impacts on academic outcomes of.15 to.3 standard deviations measured at the end of the
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美国国家经济研究局创建时间：
2011-09-01
