In selected adult neurotics, nurse-therapists have a significant contribution to make in giving behavioural psychotherapy to patients who were formerly denied it for lack of trained personnel (Marks et al. 1977). Perhaps 10% of all adult psychiatric outpatients can benefit from behavioural psychotherapy as themainapproach for those categories of problem where established behavioural methods have been found to be superior to contrasting treatments (Marks, 1976).