Findings from a study investigating the effects of early intervention settings on the extent of parent involvement in IDEA Part C Infant and Toddler Programs are reported. Participants were 124 parents and other primary caregivers of children receiving early intervention in 22 states who completed an investigator-developed scale measuring different ways in which early childhood practitioners involved parents in their children's early intervention. Results showed that provision of early intervention entirely or partially outside a family's home were associated with minimal parent involvement and that more than 50% of the parents, regardless of setting or context, were not involved in their children's early intervention in a manner consistent with the IDEA Part C family capacity-building provision. The need for better preparation of early intervention practitioners is described.