Article InformationAuthors: Ingersoll, B., Lewis, E., & Kroman, E.Year: 2007Publication: Journal of Autism and Developmental DisordersVolume: 37Issue: 8Pages: 1446-1456DOI: 10.1007/s10803-006-0221-z Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: CommunicationSocialIntervention: Naturalistic intervention