Article InformationAuthors: Esch, B. E., Carr, J. E., & Grow, L. L.Year: 2009Publication: Journal of Applied Behavior AnalysisVolume: 42Issue: 2Pages: 225-241DOI: 10.1901/jaba.2009.42-225 Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Reinforcement