Article InformationAuthors: Jurgens, A., Anderson, A., & Moore, D. W.Year: 2009Publication: Behaviour ChangeVolume: 26Issue: 1Pages: 66DOI: 10.1375/bech.26.1.66 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationSocialIntervention: Augmentative and alternative communicationPicture Exchange Communication System (PECS®)