The research team for this evaluation consists of a prime contractor, RTI International, and two subcontractors, Pacific Institute for Research and Evaluation (PIRE) and Tanglewood Research, Inc. RTI and PIRE formed the evaluation team, while Tanglewood Research oversaw implementation of the two programs. None of these organizations or their key staff members has financial interests that could be affected by findings from the evaluation of the two school-based violence prevention programs considered in this report. No one on the Technical Working Group, convened by the research team to provide advice and guidance, has financial interests that could be affected by findings from the evaluation.