Ready for Kindergarten! Survey (R4K!S) is a readiness assessment of children entering kindergarten about students' knowledge and skills within the first six to ten weeks of school. There are many interpretations of what constitutes "readiness." Vermont's concept of children's readiness is multidimensional; it includes social and…

Measurement of early childhood development at the population level has traditionally been neglected in Latin America. In this context, Uruguay stands out for having two population-based protocols: the Nutrition, Child Development and Health Survey (ENDIS), a home survey, and the School Readiness - Child Development Inventory (INDI). This paper…

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…

This paper used a nationally representative sample of children from the United States to examine the extent to which physical activity and sports participation may promote growth in children's executive functions (EFs), attention, and social self-control over time. Using data from the ECLS-K:2011 (N = 18,174), findings indicated that regular…

Despite much research examining whether bilingual individuals demonstrate superior executive function (EF) skills compared to monolinguals, the purported bilingual advantage remains controversial. One potential reason for discrepant findings across studies examining the bilingual advantage is the difficulty in matching monolingual and bilingual…