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NCJ Number: 200409 Find in a Library
Title: Predicting Aggression in Police Officers Using the MMPI-2
Journal: Journal of Police and Criminal Psychology  Volume:18  Issue:1  Dated:Spring 2003  Pages:1-8
Author(s): Kimberly Castora; JoAnne Brewster; Michael Stoloff
Date Published: 2003
Page Count: 8
Type: Report (Study/Research)
Format: Article
Language: English
Country: United States of America
Annotation: This study examined whether any of four MMPI-2 (Minnesota Multiphasic Personality Inventory-2) scales designed to measure various forms of hostility or aggression were useful in predicting aggressive behavior in a sample of police officers.
Abstract: Participants were police officers from 2 small city police departments, with 50 officers involved from 1 department and 30 from the other department. Their length of service as a police officer at the time the MMPI-2 was administered averaged 3 months. Measures of aggressive behavior were obtained from a comprehensive performance evaluation complete by each officer's supervisor after the officer had completed 1 year of service. The study looked for any significant correlations between each officer's score on each of the four MMPI-2 scales and each of the six measures of aggression from the performance evaluations. Analysis of the data on the 80 officers found no significant correlations between any of the MMPI-2 scales and any of the supervisor ratings. Thus, there is no evidence that the four MMPI-2 scales can be used to predict overt aggressiveness in police officers; however, it is possible that a combination of scales, perhaps combined in a weighted regression equation, would increase the potential utility of the MMPI-2 for the prediction of aggression. Another conclusion of the study was that it may not be possible to generalize from one jurisdiction to another when attempting to predict police officer performance from psychological test scores. A test or combination of tests that might have good predictive validity in one jurisdiction may not be useful in another jurisdiction, even though the two departments and their officers appear to be similar, as was the case in this study. 23 references
Main Term(s): Police management
Index Term(s): Aggression; Minnesota Multiphasic Personality Inventory; Police personnel selection; Psychological evaluation
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