http://pbi.sagepub.com Journal of Positive Behavior Interventions DOI: 10.1177/1098300708326597 2009; 11; 68 originally published online Nov 7, 2008; Journal of Positive Behavior Interventions Janine P. Stichter, Timothy J. Lewis, Tiffany A. Whittaker, Mary Richter, Nanci W. Johnson and Robert P. Trussell Strategies: Comparisons Among High- and Low-Risk Elementary Schools Assessing Teacher Use of Opportunities to Respond and Effective Classroom Management http://pbi.sagepub.com/cgi/content/abstract/11/2/68 The online version of this article can be found at: Published by: Hammill Institute on Disabilities and http://www.sagepublications.com can be found at: Journal of Positive Behavior Interventions Additional services and information for http://pbi.sagepub.com/cgi/alerts Email Alerts: http://pbi.sagepub.com/subscriptions Subscriptions: http://www.sagepub.com/journalsReprints.nav Reprints: http://www.sagepub.com/journalsPermissions.nav Permissions: at University of Missouri-Columbia on February 22, 2010 http://pbi.sagepub.com Downloaded from