The Perry Preschoolers at Late Midlife: A Study in Design-Specific Inference
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This paper presents the first analysis of the life course outcomes through late midlife (around age 55) for the participants of the iconic Perry Preschool Project, an experimental high-quality preschool program for disadvantaged African-American children in the 1960s. We discuss the design of the
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美国国家经济研究局创建时间：
2019-06-01
