Utilizes the principles of operant conditioning, classical conditioning, and/or observational learning to eliminate inappropriate and maladaptive behaviors. a. a self- group
b. humanistic therapy
c. psychoanalysis
d. behavior therapy

(D) Behavior therapy

Explanation:

 The behavior therapy is one of the type of therapy that helps in the treatment of the mental disorder health.

The main function of the behavior therapy is that it focus on the health solution therapy and also try to eliminate all the unhealthy behavior in the environment.

There are various types of benefits in the behavior therapy are as follows:

answer; (trauma);

answer; environmental science;