Article InformationAuthors: Kaale, A.; Fagerland, M. W.; Martinsen, E. W.; Smith, L.Year: 2014Publication: Journal of the American Academy of Child and Adolescent PsychiatryVolume: 53Issue: 2Pages: 188-98DOI: 10.1016/j.jaac.2013.09.019 Final Quality and Data Extraction DecisionsAge: Birth to 35.9 months (0-2.9 years)36-71.9 months (3-5.9 years)Domains: Joint attentionSocialIntervention: Naturalistic interventionJoint Attention, Symbolic Play, Engagement, and Regulation (JASPER)