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KMID : 0367320230340040268
Journal of the Korean Academy of Child and Adolescent Psychiatry
2023 Volume.34 No. 4 p.268 ~ p.274
Clinical Utility of the Minnesota Multiphasic Personality Inventory-Adolescent Restructured Form in the Assessment of Internalizing and Externalizing Disorders in Adolescents: A Preliminary Approach
Yun Hye-Ji

Park Eun-Hee
Hong Hyun-Ju
Abstract
Objectives: This study investigated whether the Minnesota Multiphasic Personality Inventory-Adolescent Restructured Form (MMPI-ARF) can differentiate between two groups of adolescents, one diagnosed with internalizing disorders and another with externalizing disorders, and examined the clinical utility of the MMPI-A-RF by examining which subscales can significantly discriminate between these two groups.

Methods: A total of 105 adolescents aged 13?18 years completed the MMPI-A-RF (53 internalizing disorder and 52 externalizing disorder groups). Independent t-test, chi-square test (¥ö2), and discriminant analysis were used to examine whether MMPI-A-RF can distinguish between the two groups.

Results: Sixteen MMPI-A-RF scales best predicted differences between the groups with internalizing and externalizing disorders.
Fourteen scales (Higher-Order Scale [Emotional/Internalizing Dysfunction], Restructured Clinical [RC] Scale [RC demoralization, Somatic Complaints (RC1), and Low Positive Emotions (RC2)], Personality Psychopathology Five Scale [Introversion/Low Positive Emotionality- Revised, Negative Emotionality/Neuroticism-Revised], Somatic/Cognitive Scale [Malaise, Head Pain Complaints, and Gastrointestinal Complaints], Internalizing Scale [Stress/Worry, Self-Doubt], Externalizing Scale [Negative School Attitudes], Interpersonal Scale [Social Avoidance, Shyness]) were associated with the internalizing disorder group, whereas two scales (Externalizing Scale [Conduct Problems, Negative Peer Influence]) were associated with the externalizing disorder group.

Conclusion: The MMPI-A-RF can be an efficient assessment tool for a quick diagnosis as it can classify individuals with internalizing and externalizing disorders in clinical settings that lack a variety of assessment tools for children and adolescents.
KEYWORD
Adolescent, MMPI-A-RF, Internalizing, Externalizing, Discriminant analysis
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