Answer: Humanistic
Step-by-step explanation:
Humanistic therapist is the therapist who is responsible for dealing and approaching mental health issue of people. They treat challenges faced by people in terms of health and mental level as everyone persist different level of mental perception and understanding.
According to the question,Dr. Chen is humanistic therapist as he is indulged in self examination of people and understanding their mind through empathy and listening carefully to them so that their mental wellness can be maintained.