Article InformationAuthors: Egan, P. J., Zlomke, L. C., & Bush, B. R.Year: 1993Publication: Special Services in the SchoolsVolume: 7Issue: 1Pages: 27-37DOI: 10.1300/J008v07n01_02 Final Quality and Data Extraction DecisionsAge: 6-11.9 yearsDomains: Adaptive/self-helpChallenging/interfering behaviorCommunicationJoint attentionPlaySchool readiness behaviorSocialIntervention: Differential reinforcement