Article InformationAuthors: Koegel, R. L., & Frea, W. D.Year: 1993Publication: Journal of Applied Behavior AnalysisVolume: 26Issue: 3Pages: 369-377DOI: 10.1901/jaba.1993.26-369 Final Quality and Data Extraction DecisionsAge: 6-11.9 years12-14.9 yearsIntervention: Self-management