Article InformationAuthors: Koegel, R. L., Camarata, S., Koegel, L. K., Ben-Tall, A., & Smith, A. E.Year: 1998Publication: Journal of Autism and Developmental DisordersVolume: 28Issue: 3Pages: 241-251DOI: 10.1023/A:1026073522897 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: CommunicationIntervention: Naturalistic intervention