Psychosomatic etiological factors in neoplasms: A response to Kellerman

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J. Kellerman (see record 1979-26395-001) argues that use of psychiatric patients in a study designed to search for psychosomatic etiological factors in neoplasms may have led to the present authors' negative results (see record 1978-03712-001). It is suggested, however, that the use of psychiatric patients increased the heterogeneity of the sample and probably enhanced, not limited, the likelihood of positive findings. It is also suggested that the inclusion of alcoholics in the study may have masked real differences between neoplasm and control Ss. However, new analyses run on subsets of the malignancy and malignancy-control samples from which alcoholics were first deleted failed to support his contention. New analyses run to test for differences between the frequencies of various high-scale MMPI types in neoplasm and control groups also failed to support the view that neoplasm patients are qualitatively different from controls on the inventory. (2 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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