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…

Background: Parents' use of physical discipline has generated controversy related to concerns that its use is associated with adjustment problems such as aggression and delinquency in children. However, recent evidence suggests that there are ethnic differences in associations between physical discipline and children's adjustment. This study…