Effective
Something can be termed as effective when it is able to produce the change it is intended to produce. The effectiveness of a certain thing is understood by the rate at which it is able to produce the desired change. Talking specifically of treatment procedures, effectiveness of a treatment is understood by the efficiency with which symptoms are relieved after the treatment. Psychotherapy is the treatment procedure, which employs psychological means, of problems which is of an emotional nature. A trained person deliberately establishes a professional (therapeutic) relationship with the patient with the following objectives (1) removing, modifying, or retarding existing symptoms, (2) mediating disturbed patterns of behavior, and (3) promoting positive personality growth and development. This formulation is being further elaborated.