Specifically, the research findings call into question the effectiveness of those COSPs operating within a "top-down" organizational
framework, noted study authors Steven Segal, Ph.D., M.S.W., of the University of California, Berkeley's School of Social Welfare;
Carol Silverman, Ph.D., of UC Berkeley School of Law's Henderson Center for Social Justice; and Tanya Temkin, M.P.H., of Kaiser
Permanente of Northern California in Oakland.