Early Childhood Education in the United States: What, When, Where, Who, How, and Why
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This chapter concerns the state of the literature on early childhood education (ECE) formal programs offering group instruction for children younger than the standard eligibility age for public education. I describe how ECE programs can be convincingly evaluated and why they may or may not work to
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美国国家经济研究局创建时间：
2021-04-01
