Article InformationAuthors: Ingvarsson, E. T., & Hollobaugh, T. Year: 2011Publication: Journal of Applied Behavior AnalysisVolume: 44Issue: 3Pages: 659-664DOI: 10.1901/jaba.2011.44-659 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Prompting