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An external validity study of the MMPI personality disorder scales

Alan F. Dubro, Scott Wetzler

Open publisher page 24 citations

Abstract

This study examined the external validity of the MMPI Personality Disorder (PD) scales. Patients diagnosed with personality disorders (n = 23), according to a structured interview, were contrasted with medical control subjects and psychiatric patients with no personality disorder (n = 33). The MMPI PD scales could discriminate patients with any personality disorder and patients with specific clusters of personality disorders. Convergent validity was demonstrated by high correlations between the MMPI PD scales and the comparable Millon Clinical Multiaxial Inventory scales, as well as the number of DSM-III personality disorder symptoms. This study represents a preliminary step in the external validation of the MMPI PD scales.

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What this paper is about

This study examined the external validity of the MMPI Personality Disorder (PD) scales. Patients diagnosed with personality disorders (n = 23), according to a structured interview, were contrasted with medical control subjects and psychiatric patients with no personality disorder (n = 33). The MMPI PD scales could discriminate patients with any personality disorder and patients with specific clusters of personality disorders. Convergent validity was demonstrated by high correlations between the MMPI PD scales and the comparable Millon Clinical Multiaxial Inventory scales, as well as the number of DSM-III personality disorder symptoms. This study represents a preliminary step in the external validation of the MMPI PD scales.

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Available abstract

This study examined the external validity of the MMPI Personality Disorder (PD) scales. Patients diagnosed with personality disorders (n = 23), according to a structured interview, were contrasted with medical control subjects and psychiatric patients with no personality disorder (n = 33). The MMPI PD scales could discriminate patients with any personality disorder and patients with specific clusters of personality disorders. Convergent validity was demonstrated by high correlations between the MMPI PD scales and the comparable Millon Clinical Multiaxial Inventory scales, as well as the number of DSM-III personality disorder symptoms. This study represents a preliminary step in the external validation of the MMPI PD scales.

Key concepts: Minnesota Multiphasic Personality Inventory, Psychology, Personality, Millon Clinical Multiaxial Inventory, Personality disorders, Clinical psychology, Convergent validity, Personality Assessment Inventory

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