Although their opinions may differ somewhat, most psychotherapy researchers believe that common factors therapeutic change

Although their opinions may differ somewhat, most psychotherapy researchers believe that common factors "play at least a major role in" therapeutic change.

Therapeutic procedures alludes to parts of the interaction in treatment between an various kind of treatment experts and their subjects and is a more extensive term than psychotherapeutic procedures which tends to a significant number of similar issues in the psychotherapeutic relationship.

Pilgrims is the answer