Article InformationAuthors: Gena, A.Year: 2006Publication: International Journal of PsychologyVolume: 41Issue: 6Pages: 541-554DOI: 10.1080/00207590500492658 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: Challenging/interfering behaviorCommunicationPlaySocialIntervention: PromptingReinforcement