Article InformationAuthors: Carp, C. L.; Peterson, S. P.; Arkel, A. J.; Petursdottir, A. I.; Ingvarsson, E. T.Year: 2012Publication: Journal of applied behavior analysisVolume: 45Issue: 4Pages: 737-51DOI: 10.1901/jaba.2012.45-737 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: PromptingVisual supports