Article InformationAuthors: Kohler, F. W., Anthony, L. J., Steighner, S. A., & Hoyson, M.Year: 2001Publication: Topics in Early Childhood Special EducationVolume: 21Issue: 2Pages: 93-103DOI: 10.1177/027112140102100203 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationJoint attentionPlaySocialIntervention: Naturalistic intervention