Early intervention for infants and toddlers with disabilities and their families has strayed from its conceptual roots and the intent of the original legislation. The author describes the top 10 mistakes commonly made in early intervention, including what happens at intake, assessment, plan development, and delivery of services. He proposes five practices as a natural-environments approach to fixing these mistakes. The essence of this alternative approach is to recognize natural caregivers, such as parents and child care providers, as intervention agents and to ensure children are getting valid interventions