Article InformationAuthors: Carr, D., & Felce, J.Year: 2007Publication: Journal of Autism and Developmental DisordersVolume: 37Issue: 4Pages: 724-737DOI: 10.1007/s10803-006-0203-1 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: CommunicationIntervention: Augmentative and alternative communicationPicture Exchange Communication System (PECS®)