Article InformationAuthors: Betz, A., Higbee, T. S., & Reagon, K. A.Year: 2008Publication: Journal of Applied Behavior AnalysisVolume: 41Issue: 2Pages: 237-241 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: PlaySocialIntervention: Visual supports