The integration of evidence-based principles, organizational development, and collaboration is investigated. Sections of this report are: introduction; background; literature review; methodology; document review; key informant interviews; interviews with probation officers (observations of current climate); quantitative analysis of intermediate measures; and findings. “The research on evidence-based principles in Maine ... suggests that this concurrent model may not be a realistic strategy given its insistence on an integrated focus on evidence-based principles, organizational development, and collaboration” (p. 30).