Article InformationAuthors: Howlin, P., Gordon, R. K., Pasco, G., Wade, A., & Charman, T.Year: 2007Publication: Journal of Child Psychology and PsychiatryVolume: 48Issue: 5Pages: 473-481DOI: 10.1111/j.1469-7610.2006.01707.x Final Quality and Data Extraction DecisionsAge: 6-11.9 yearsDomains: CommunicationIntervention: Augmentative and alternative communicationPicture Exchange Communication System (PECS®)