In the United States, early intervention (EI) programs under Part C of the Individuals with Disabilities Education Act serve thousands of infants and toddlers with or at risk for developmental delays. Despite this, few studies have investigated the developmental progress and outcomes of children served, especially in relation to the heterogeneity…

If a child has been identified as needing early intervention services, parents may have questions about what that means for their child and for the family. This guide will help them understand the Individual Family Service Plan (IFSP) and how it will help their child's development. The IFSP is a document that is used when providing early…