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NCJ Number:	135524

Title:	Mentally Disordered Criminal Offender: A Description Based on Demographic, Clinical, and MMPI Data

Journal:	Journal of Clinical Psychology Volume:45 Issue:6 Dated:(November 1989) Pages:983-989

Author(s):	D D Roman; D W Gerbing

Date Published:	1989

Annotation:	This study was designed to characterize a sample of forensically committed patients from a maximum security hospital in Florida on the basis of demographic information, clinical observations, and MMPI (Minnesota Multiphasic Personality Inventory) data.

Abstract:	Seven disjoint clusters were obtained from 340 MMPI's by an innovative cluster strategy that combined Ward's hierarchical clustering with a partitioning method. Cluster groups differed on racial composition and diagnoses. It was determined that the lack of differences among cluster groups on other clinically relevant variables may be due to the choice of measures and the sample's homogeneous nature. Demographic variables showed considerable similarities between the sample group and prison populations. The analysis further suggested that factors such as sociopathy, substance abuse, psychosis with paranoid features, and a history of criminal activities distinguished these offenders from the benign mentally ill. In general, the lack of differences between cluster groups on most variables indicated that the sample population cannot be subclassified meaningfully on the basis of MMPI configurations alone. It would probably be more profitable for investigators to use more direct measures of the variables of interest. 9 references and 2 tables

Main Term(s):	Mentally ill offenders

Index Term(s):	Florida; Minnesota Multiphasic Personality Inventory; Psychological influences on crime; Psychological research

Page Count:	7

Format:	Article

Type:	Research (Applied/Empirical)

Language:	English

Country:	United States of America



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