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Video Methodology for Research in Psychopathology and PsychopharmacologyRationale and Application
Martin M. Katz, PhD;
Turan M. Itil, MD
Arch Gen Psychiatry. 1974;31(2):204-210.
Abstract
We believe clinical evaluation of interview behavior has reached a plateau and propose a new method for enhancing the sensitivity of observational procedures.
Although of obvious value as a permanent record of interview behavior, video methodology has been difficult to harness. A method is described, based on advances in the development of standard rating schedules, designed to increase reliability of ratings, to emphasize the measurement of nonverbal, expressive aspects of behavior, and to enhance the capacity of observers in the exercise of clinical judgment. Its sensitivity was tested by comparing it with a conventional rating procedure in a clinical trial, involving the use of two drugs with different chemical structures but presumed to have similar actions. The video method showed increased sensitivity in detecting systemic and important differences in behavioral effects between the agents.
Author Affiliations
From the Clinical Research Branch, National Institute of Mental Health (Dr. Katz); and the Department of Psychiatry, New York Medical College (Dr. Itil).
Footnotes
Accepted for publication Feb 28, 1974.
Reprint requests to the Clinical Research Branch, National Institute of Mental Health, Department of Health, Education and Welfare, 5600 Fishers Lane, Rockville, MD 20852 (Dr. Katz).
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