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HELEN A. HEATH, Ph.D.; DONALD OKEN, M.D.; SHELDON J. KORCHIN, Ph.D.; JACK C. TOWNE, Ph.D.

Arch Gen Psychiatry. 1960;3(5):467-477.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

During recent years, with the advent of research teams and the development of electronic equipment, it has become possible to obtain a wide variety of responses from several systems in a group of subjects. Studies have been designed which permit a number of variables to be measured for a number of individuals under a number of different experimental conditions. Although it is not difficult to assess changes in any particular system, e.g., from before to after given experimental events, the important question of the pattern of relationship among several variables as each varies over time does not lend itself to simple analysis. Novel methods for combining such data have been suggested by Ax¹ and Lacey⁹; other investigators, for example Berger,² have used the more standard factor analytic approach for the study of the interrelations between variables. The study to be reported here is of this type, . . . [Full Text PDF of this Article]

Author Affiliations
Chicago

From the Institute for Psychosomatic and Psychiatric Research and Training, Michael Reese Hospital.

Fellow of the Foundations' Fund for Research in Psychiatry while participating in this study (Dr. Oken).

On leave (1959-1960) as a Visiting Scientist, National Institute of Mental Health, Bethesda, Md. (Dr. Korchin). Now at the Veterans Administration Research Hospital, Chicago (Dr. Towne).

Footnotes
Submitted for publication June 1, 1960.

This variation was suggested by Dr. Raymond B. Cattell and his staff at the University of Illinois.

This study was supported by funds from Research Grant M-1442 of the National Institute for Mental Health, U.S. Public Health Service and by the State of Illinois Mental Health Fund, Grant 1711.

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