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Download full textLi, Weilin; Duncan, Greg J.; Magnuson, Katherine; Schindler, Holly S.; Yoshikawa, Hirokazu; Leak, Jimmy – Annenberg Institute for School Reform at Brown University, 2020
This paper uses meta-analytic techniques to estimate the separate effects of the starting age, program duration, and persistence of impacts of early childhood education programs on children's cognitive and achievement outcomes. It concentrates on studies published before the wide scale penetration of state-pre-K programs. Specifically, data are…
Descriptors: Early Childhood Education, School Entrance Age, Time, Program Effectiveness
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Direct linkLi, Weilin; Farkas, George; Duncan, Greg J.; Burchinal, Margaret R.; Vandell, Deborah Lowe – Developmental Psychology, 2013
The effects of high- versus low-quality child care during 2 developmental periods (infant-toddlerhood and preschool) were examined using data from the National Institute of Child Health and Human Development Study of Early Child Care. Propensity score matching was used to account for differences in families who used different combinations of child…
Descriptors: Child Care, Educational Quality, Child Development, Infants
Li, Weilin; Farkas, George; Duncan, Greg J.; Burchinal, Margaret R.; Vandell, Deborah L.; Ruzek, Erik A.; Dang, Tran T. – Society for Research on Educational Effectiveness, 2011
This paper aims to test the following hypotheses: Hypothesis 1 (H1): Everything else the same, high quality infant-toddler care will increase children's cognitive scores immediately (i.e. at 24 months of age). However, without subsequent high quality preschool, children with high quality infant-toddler care will not have higher cognitive and…
Descriptors: School Readiness, Toddlers, Infants, Child Care
