Article InformationAuthors: Hagopian, L. P., Fisher, W. W., & Legacy, S. M.Year: 1994Publication: Journal of Applied Behavior AnalysisVolume: 27Issue: 2Pages: 317-325DOI: 10.1901/jaba.1994.27-317 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: Challenging/interfering behaviorIntervention: Reinforcement