Providers must be employed by an Infants and Toddlers Program; and

Serve at least one eligible child with ASD

Children must be between 12 months, 0 days and 35 months, 30 days of age at entry into the study;

Children must meet criteria on the Autism Diagnostic Observation Schedule (ADOS) for ASD or autism; and

Caregiver and child must be available for all assessments

Improving Services and Outcomes for Children With Autism Spectrum Disorder (ASD)