Assessing ICD-11 personality trait domain qualifiers with the MMPI-2-RF

Area of Science:

• Psychiatry
• Psychology
• Clinical Assessment

Background:

• The International Classification of Diseases, 11th Revision (ICD-11) introduced a dimensional model for personality psychopathology.
• Assessing these ICD-11 personality trait domains requires validated instruments.

Purpose of the Study:

• To evaluate the Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF) for assessing ICD-11 personality psychopathology trait domain qualifiers.
• To examine the convergence between ICD-11 trait domains and MMPI-2-RF scales, particularly the Personality Psychopathology-5 (PSY-5) scales.

Main Methods:

• A community sample (N=217) was used, weighted for externalizing dysfunction.
• Correlation and regression analyses were employed to assess the convergence between ICD-11 domains (measured by PID-5) and MMPI-2-RF scales.

Main Results:

• Expected associations were found between ICD-11 domains and conceptually related MMPI-2-RF scales.
• The Anankastia domain correlated with negative affect scales but not disinhibition scales as expected.

Conclusions:

• The MMPI-2-RF demonstrates utility in assessing personality dysfunction according to the ICD-11 trait domain qualifier framework.
• Findings support the use of the MMPI-2-RF for capturing individual differences in personality pathology relevant to the ICD-11 model.