Article InformationAuthors: Nefdt, N., Koegel, R., Singer, G., & Gerber, M.Year: 2010Publication: Journal of Positive Behavior InterventionsVolume: 12Issue: 1Pages: 23-32DOI: 10.1177/1098300709334796 Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: CommunicationSocialIntervention: Naturalistic interventionPivotal Response Training (PRT)