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Witvliet, Miranda; van Lier, Pol A. C.; Cuijpers, Pim; Koot, Hans M. – Journal of Consulting and Clinical Psychology, 2009
In this study, the authors used a randomized controlled trial to explore the link between having positive peer relations and externalizing outcomes in 758 children followed from kindergarten to the end of 2nd grade. Children were randomly assigned to the Good Behavior Game (GBG), a universal classroom-based preventive intervention, or a control…
Descriptors: Behavior Development, Intervention, Peer Relationship, Kindergarten
Peer reviewedZentall, Sydney S.; Zentall, Thomas R. – Journal of Consulting and Clinical Psychology, 1976
Hyperactive children in a high-stimulation environment were significantly less active and performed an academically related task no worse than when placed in a low-stimulation environment. Understimulation rather than overstimulation apparently precipitates hyperactive behavior. (Author)
Descriptors: Behavior Problems, Classroom Environment, Disadvantaged Environment, Elementary Education

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