Development of a questionnaire-based decision rule for classifying depressed patients

Pilowsky, I.; Boulton, D. M.
June 1970
British Journal of Psychiatry;Jun70, Vol. 116 Issue 535, p647
Academic Journal
journal article
The article discusses the development of a questionnaire-based decision rule for classifying depressed patients. A total of 45 patients were classified into class A, B and C. Class A comprised of mixed group of reactive depressions, Class B corresponded to endogenous depression while Class C consisted of a non-depressive group. Using numerical taxonomy, items of the questionnaire with poor predictive value were eliminated and a decision rule for identifying class members was developed. The method supports the validity of Class B as endogenous group. It also showed a significant relationship between membership of class B and response to electroconvulsive therapy. It was concluded that the developed questionnaire and decision rule provide a useful research tool in the study of depression.


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