Developmental delays in cognitive flexibility early in elementary school can potentially increase vulnerability for subsequent externalizing and internalizing psychopathology. The first goal of the current study was to identify latent subgroups of children characterized by different developmental trajectories of cognitive flexibility throughout…

Concentrated pockets of under-resourced neighbourhoods and schools exist in urban areas in which there are overwhelming numbers of children labelled 'at-risk.' Structural equation modelling was used to predict the associations between family social capital in kindergarten and third-grade learning and development outcomes for low-socioeconomic…

This study examined cognitive precursors of hierarchical mathematical development. Six-year-old children (n = 258) were assessed on number skills, cognitive skills, and arithmetic 1 year prior to school entry. Skills in advanced arithmetic and advanced mathematics were assessed in Grades 3 and 6, respectively. Path analyses were computed and…

We analyzed two nationally representative, longitudinal data sets of U.S. children to identify risk factors for persistent mathematics difficulties (PMD). Results indicated that children from low socioeconomic households are at elevated risk of PMD at 48 and 60 months of age, as are children with cognitive delays, identified developmental delays…

Head Start is a federal program that has provided comprehensive early childhood development services to low-income children and their families since 1965. The comprehensive nature of the program includes educational, health, nutritional, and social services. These services are intended to prepare children to enter kindergarten and to improve the…

The incidence of overweight and obese children, especially those from low-income and minority backgrounds, continues to rise. Multiple factors contribute to the rising rates. In order to gain an understanding of factors contributing to obesity in low-income families, a qualitative study was conducted with the purpose of gaining knowledge of…