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KMID : 0385320240350020015
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Journal of Korean Psychoanalytic Society
2024 Volume.35 No. 2 p.15 ~ p.21
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Validation of the Korean Translation of the Level of Personality Functioning Scale ? Self-Report (LPFS-SR)
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Kwon Ji-Eun
Kwak Se-Yul
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Abstract
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Objectives: The Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition provides an alternative model for dimen- sional assessment of personality disorders (AMPD). In Criterion A of the alternative model, the presence and severity of person- ality disorders are indicated by the Level of Personality Functioning. The Level of Personality Functioning Scale?Self Report (LPFS-SR) was further developed to readily assess the construct. This study aimed to examine rudimentary reliability and valid- ity of the translated Korean version of the LPFS-SR.
Methods: A total of 395 participants completed an online survey that includ- ed the LPFS-SR and the Millon Clinical Multiaxial Inventory-IV (MCMI-IV). The present study examined internal consistency and item-total score correlations within the four components (identity, self-direction, empathy, and intimacy) of personality func- tioning characterized in Criterion A of the AMPD. Criterion validity was also examined for previously validated measures of per- sonality pathology.
Results: Internal consistency within the four personality functioning components of the LPFS-SR ranged from 0.80 to 0.89. Items of reversed form and contents that required interpersonal self-awareness were weakly correlated with the LPFS- SR total score, while items related to general distress and dissatisfaction were strongly correlated with the LPFS-SR total score. The LPFS-SR total score was strongly correlated with MCMI-IV scales of Schizotypal, Melancholic, and Borderline, whereas compulsive and histrionic scales were minimally correlated. Partial correlations remained consistent after controlling for the effect of psychological distress, suggesting the robustness of the criterion validity.
Conclusion: The LPFS-SR demonstrated high in- ternal consistency and criterion validity with extant measures of personality pathology.
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KEYWORD
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Personality disorders, Millon clinical multiaxial inventory, Psychological tests, Levels of personality functioning
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