Article InformationAuthors: Lepper, Tracy L.; Petursdottir, Anna IngeborgYear: 2017Publication: J Appl Behav AnalVolume: 50Issue: 4Pages: 756-774DOI: 10.1002/jaba.415 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: CommunicationIntervention: Reinforcement