Assessing Interpersonal Aspects of Schizoid Personality Disorder: Preliminary Validation Studies |
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| Authors: | David S. Kosson Ronald Blackburn Katherine A. Byrnes Sohee Park Caroline Logan John P. Donnelly |
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| Affiliation: | 1. Department of Psychology , Rosalind Franklin University of Medicine and Science ,;2. Division of Clinical Psychology , University of Liverpool , United Kingdom;3. Department of Psychology , Vanderbilt University ,;4. State Hospital , Carstairs, Scotland |
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| Abstract: | In 2 studies, we examined the reliability and validity of an interpersonal measure of schizoid personality disorder (SZPD) based on nonverbal behaviors and interpersonal interactions occurring during interviews. A total of 556 male jail inmates in the United States participated in Study 1; 175 mentally disordered offenders in maximum security hospitals in the United Kingdom participated in Study 2. Across both samples, scores on the Interpersonal Measure of Schizoid Personality Disorder (IM–SZ) exhibited adequate reliability and patterns of correlations with other measures consistent with expectations. The scale displayed patterns of relatively specific correlations with interview and self-report measures of SZPD. In addition, the IM–SZ correlated in an expected manner with features of psychopathy and antisocial personality and with independent ratings of interpersonal behavior. We address implications for assessment of personality disorder. |
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