Article InformationAuthors: Nuzzolo-Gomez, R., Leonard, M. A., Ortiz, E., Rivera, C. M., & Greer, R. D. Year: 2002Publication: Journal of Positive Behavior InterventionsVolume: 4Issue: 2Pages: 80-87DOI: 10.1177/109830070200400203 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: PlayIntervention: Reinforcement