Research Findings: The present study examined patterns of executive function (EF) development among socio-demographically diverse children in kindergarten, first grade, and second grade. Using nationally representative data from the Early Childhood Longitudinal Study Kindergarten Cohort: 2011, we estimated children's growth in working memory and…

Research Findings: Community-based playgroups in low-and-middle-income countries increase access to early learning at lower cost than centers. However, evidence of effectiveness is limited. The effects of one, two, or three playgroup sessions per week on children's performance on the Early Learning Outcome Measure (ELOM) (n = 112; baseline M…

Responding to a robust body of literature suggesting that children's early educational experiences are critical, policymakers have implemented and expanded the provision of full-day kindergarten (FDK) in recent decades. Most studies have focused on the effectiveness of FDK on child academic assessments or test scores, but none have examined FDK…

Research Findings: The contribution of 3 executive function skills (shifting, inhibitory control, and working memory) and their relation to early mathematical skills was investigated with preschoolers attending 6 Head Start centers. Ninety-two children ranging in age from 3 years, 1 month, to 4 years, 11 months, who were native English or Spanish…