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…

This speech offers a guide to identifying and teaching high-risk children, those who exhibit a lag in development severe enough to be a handicap in learning. The high-risk children focused on are those whose developmental lag is frequently not recognized until they fail in school. The two major areas of neurodevelopmental learning disorders are in…