Grounded in over 50 years of outcome research, this comprehensive textbook focuses on outcomes management and the principles and core strategies for delivering competent and effective therapeutic practice. Applicable to all settings and models, the text illuminates four foundational principles of therapeutic practice: a strengths-based framework, collaborative practice, clinician effectiveness, and routine and ongoing outcome-oriented clinical work, and presents strategies for identifying, evoking, and using client strengths to promote behavioral health.