Applying this theory in a therapeutic way produced psychodrama. Here the main emphasis is on the individual and his specific problems He is encouraged to act out a situation spontaneously, after being "warmed-up' by the therapist. A number of trained performers assist by acting as "auxiliary egos" to the patient. The role or roles which the subject plays will thus be a product of his own "inner self', and the therapist is able "to glimpse functional levels of intelligence and to detect behavioural efficiency in crisis situations