Article InformationAuthors: Petursdottir, A. L., McComas, J., McMaster, K., & Horner, K.Year: 2007Publication: Journal of Applied Behavior AnalysisVolume: 40Issue: 2Pages: 353-357 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationPlaySocialIntervention: Peer-based instruction and interventionPeer mediated instruction and intervention