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Diagnostic Validity of Millon Clinical Multiaxial Inventory-Iv (Mcmi-Iv) Publisher



Mohammadi MR1, 2 ; Hooshyari Z1, 3 ; Delavar A3 ; Amanat M4 ; Mohammadi A5 ; Abasi I6 ; Salehi M1
Authors
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Authors Affiliations
  1. 1. Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Psychiatry, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Measurement and Assessment Department, Faculty of Psychology and Education, Allameh Tabataba’i University, Tehran, Iran
  4. 4. Division of Neurogenetics and Neuroscience, The Moser Center for Leukodystrophies, Kennedy Krieger Institute, Johns Hopkins University, Baltimore, MD, United States
  5. 5. Ph.D. In Clinical Psychology, Research Assistant, Psychology & Health Studies, University of Saskatchewan, Saskatoon, SK, Canada
  6. 6. Department of Clinical Psychology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Current Psychology Published:2023


Abstract

The Millon clinical multiaxial inventory fourth version (MCMI-IV) is a self-report assessment tool intended to provide information on personality disorders. This study aimed to assess the diagnostic validity of this tool. Participants with recent diagnosis of psychiatric disorders were included in the study. They were interviewed using structured clinical interview for diagnostic and statistical manual of mental disorders-5 (SCID-5) and MCMI-IV. The results showed that the Kappa agreement between the MCMI-IV and SCID-5 ranged between 0.23 to 0.39. The discriminant function analysis was conducted to predict personality clusters and other psychiatric disorders. Schizoid and cluster B personality including antisocial, histrionic, and narcissistic personality disorders were predicted by the MCMI-IV scales. Axis I disorders including major depressive disorder, persistent depressive disorder, bipolar mood disorder, and substance use were also predicted by this assessment tool. MCMI-IV scales were, however, not the predictor of other personality and Axis I psychiatric disorders. Sensitivity (23.08% in somatic symptom to 66.7% in drug and alcohol use), specificity (72.52% in generalized anxiety disorder or GAD to 95.61% schizophrenic spectrum), positive predictive probability (PPP) (6.67% in post-traumatic stress disorder or PTSD to 57.35% in cluster B personality) and negative predictor probability (NPP) (80.81% in GAD to 98.15% in PTSD) were estimated. Overall the validity indexes of MCMI-IV improved compared to the previous version of MCMI but these findings suggested that the diagnostic validity of MCMI-IV was not yet acceptable in some clinical scales and further improvements are needed. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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