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T HE research reported here grew out of the work of a number of men, who, during the last half century, have demonstrated that the social environment in which individuals live is connected in some way, as yet not fully explained, to the development of mental illness.' Medical men have approached this problem largely from the viewpoint of epidemiology.2 Sociologists, on the other hand, have analyzed the ques-
Hollingshead et al. (Wed,) studied this question.