[On the problem of psychodiagnosis in psychiatry and psychotherapy]

Owing to the changed concept of psychiatry and psychotherapy, greater demands are also being made on psychodiagnostics. The article deals with the prerequisites, possible significance and application of the clinical methods and psychological tests, describes the problems of standardization and quality testing and discusses indications and problems of the different groups of methods. The demands of the clinician addressed to test designers are dealt with, as well as the question of which group of methods should be used and by whom.