Final answer:
The term used in OT that refers to the belief that a client is viewed as a person, not as a thing is Person-centered approach.
Step-by-step explanation:
The term used in Occupational Therapy (OT) that refers to the belief that a client is viewed as a person, not as a thing is Person-centered approach. This approach recognizes the importance of understanding the individual's unique perspective, values, and goals, and involves actively involving the client in their own treatment and decision-making process. By focusing on the person and their individual needs, the therapist can provide personalized and effective care.