Article InformationAuthors: Kasari, C., Paparella, T, Freeman, S.N., & Jahromi, L Year: 2008Publication: Journal of Consulting and Clinical PsychologyVolume: 76Pages: 125-137DOI: 10.1037/0022-006X.76.1.125 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CognitiveCommunicationIntervention: Naturalistic interventionJoint Attention, Symbolic Play, Engagement, and Regulation (JASPER)