Article InformationAuthors: Sidener, T. M., Shabani, D. B., Carr, J. E., & Roland, J. P. Year: 2006Publication: Research in Developmental DisabilitiesVolume: 27Issue: 6Pages: 632-644DOI: 10.1016/j.ridd.2005.08.002 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: CommunicationIntervention: Reinforcement