The unprofessional but effective method of treatment provided by friends and family within the context of a community mental health center is called

A) network therapy.
B) informal psychotherapy.
C) drug therapy.
D) family therapy.

Network therapy refers to the involvement of friends and family members in the treatment of a person with a mental illness in a community mental health center. It is an unprofessional yet effective method where individuals can receive support and encouragement from their personal network to aid in their recovery. It often involves group therapy sessions where family members and close friends participate in the discussions to address the person's mental health needs.