Article InformationAuthors: Trembath, D., Balandin, S., Togher, L., & Stancliffe, R. J. Year: 2009Publication: Journal of Intellectual and Developmental DisabilityVolume: 34Issue: 2Pages: 173-186DOI: 10.1080/13668250902845210 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Peer-based instruction and interventionPeer mediated instruction and intervention