Article InformationAuthors: Kodak, T., & Clements, A. Year: 2009Publication: Journal of Applied Behavior AnalysisVolume: 42Issue: 4Pages: 839DOI: 10.1901/jaba.2009.42-839 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Discrete trial training