A major challenge to state and jurisdictional policy makers in implementing the Early Intervention Program for Infants and Toddlers with Disabilities, Part C under the Individuals with Disabilities Education Act (IDEA), continues to be determining definitions of developmental delay and criteria of eligibility for services to young children, birth…

Under Part C of the Individuals with Disabilities Education Act (IDEA), participating states and jurisdictions must provide services to children who are either experiencing developmental delays, or who have a diagnosed mental or physical condition that has a high probability of resulting in developmental delay. Additionally, states may choose to…