Article InformationAuthors: Young, J. M., Krantz, P. J., McClannahan, L. E., & Poulson, C. L.Year: 1994Publication: Journal of Applied Behavior AnalysisIssue: 4Pages: 685-697DOI: 10.1901/jaba.1994.27-685 Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: Joint attentionIntervention: Reinforcement