Original Article

Psychometric Properties of the Persian Version of Millon Clinical Multiaxial Inventory-IV (MCMI-IV)


Objective: Millon Clinical Multiaxial Inventory (MCMI) is one of the most widely used clinical tools in research studies and clinical settings. MCMI was revised 4 times and its last version was published in 2015. All previous versions of MCMI have been translated to Persian and validated and have been frequently used by Iranian clinicians or researchers. Thus, this study provides the Persian version of the last version of this popular inventory for clinical or research purposes. Method: The participants of this psychometric study were selected by combining purposeful and convenience sampling methods among inpatients and outpatients who referred to Roozbeh hospital from 2018 to 2019. After data screening by statistical methods and Validity Scales based on MCMI-IV profile, 400 participants’ profiles were analyzed to estimate the psychometric properties of the Persian Version of MCMI-IV. MCMI-IV, the Structured Clinical Interview for DSM-5 (SCID-5), and the Brief Symptoms Inventory (BSI) were used for clinical data gathering. Content Validity Ratio (CVR), Correlational Coefficients, Kappa Agreement, Spearman Brown Coefficient, and Cronbach Alpha were performed for data analysis.

Results: According to the results of data analysis, the psychometric properties for MCMI-IV were estimated as follows: the content validity index (CVI, 0.29 to 0.99), criterion validity (0.13 to 0.40), convergent validity (-0.35 to 0.72), The Cronbach’s alpha for the personality scales was 0.48 to 0.90, the Spearman-Brown coefficient was from 0.49 to 0.90, and test-retest reliability was from 0.51 to 0.86.

Conclusion: The psychometric properties of the Persian version of MCMI-IV, including validity and reliability indexes, are appropriate and in line with the findings of its original version.

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IssueVol 16 No 1 (2021) QRcode
SectionOriginal Article(s)
DOI https://doi.org/10.18502/ijps.v16i1.5378
MCMI-IV Psychometric Properties Personality Disorders Reliability Validity

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How to Cite
Mohammadi MR, Delavar A, Hooshyari Z, Shakiba A, Salmanian M, Ghandi F, Ahmadi A, Farnoody N. Psychometric Properties of the Persian Version of Millon Clinical Multiaxial Inventory-IV (MCMI-IV). Iran J Psychiatry. 16(1):43-51.