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Methodological Problems in Psychotherapy Research: Observations on the Karon-VandenBos Study of Psychotherapy and Drugs in Schizophrenia

Published online by Cambridge University Press:  29 January 2018

Philip R. A. May
Affiliation:
The Neuropsychiatric Institute, California State Department of Mental Hygiene, and University of California at Los Angeles, 760 Westwood Plaza, California 90024, U.S.A.
A. Hussain Tuma
Affiliation:
Clinical Projects Section, Clinical Research Branch, National Institute of Mental Health, 5454 Wisconsin Avenue, Chevy Chase, Maryland 20015, U.S.A.

Extract

A recent note by Karon and VandenBos (1) on psychotherapy of schizophrenic patients claims to have demonstrated that additional psychotherapy produced significantly better results than the usual hospital treatment; and that outcome depended strikingly on an interaction between the use of drugs and the experience of the therapist. In presenting their findings as a challenge to a report by May and Tuma, they fail to point out that their results run contrary also to the general trend in other studies of psychotherapy and schizophrenia. These indicate that, even when given by experienced therapists, psychotherapy for hospitalized schizophrenic patients is, in general, relatively ineffective, while drug therapy enhances results regardless of the therapist's experience.

Type
Research Article
Copyright
Copyright © The Royal College of Psychiatrists, 1970 

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References

1. Karon, B. P., and VandenBos, G. R. (1970). ‘Experience, medication and the effectiveness of psychotherapy with schizophrenics: a note on Drs. May and Tuma's conclusions.’ Brit. J. Psychiat., 116, 427–8.Google Scholar
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