The fourth edition of the Occupational Therapy Practice Framework: Domain and Process (hereinafter referred to as the OTPF–4), is an official document of the American Occupational Therapy Association (AOTA). Intended for occupational therapy practitioners and students, other health care professionals, educators, researchers, payers, policymakers, and consumers, the OTPF–4 presents a summary of interrelated constructs that describe occupational therapy practice.