Diagnostic Validity of the Third Version of Minnesota Multiphasic Personality Inventory (MMPI-3) at the National Level
Keywords:
Diagnostic Validity, Minnesota Multiphasic Personality Inventory, Antisocial Behaviors, Hypomanic Activism, Limiting Fears of BehaviorAbstract
Background and Objective: The psychological assessment process with an emphasis on therapeutic approach always plays an effective role in identifying and diagnosing of personality and psychological problems and disorders. Therefore, the aim of this study was to determine the diagnostic validity of the third version of Minnesota Multiphasic Personality Inventory (MMPI-3) at the national level.
Methods and Materials:
This research in terms of purpose was applied and quantitative in terms of implementation method was quantitative from type of psychometric. The research population was all Iranian men and women aged 18 to 40 years, which from them 120 people (60 people with borderline personality disorder and 60 normal people) were selected through purposive and simple randomly sampling methods. The instrument of the present research was the third version of Minnesota Multiphasic Personality Inventory (MMPI-3), and its data were analyzed with using sensitivity coefficient and clarity coefficient methods in SPSS-25 software.
Findings: The findings showed that all subscales of the third version of Minnesota Multiphasic Personality Inventory had adequate diagnostic validity based on sensitivity coefficients was higher than 0.60, except for the subscales of behavioral dysfunction, antisocial behaviors, hypomanic activism, cognitive complaints, death and suicidal ideation, helplessness-hopelessness, ineffectiveness, inner anger, limiting fears of behavior, family problems, adolescent conduct problems, substance abuse, aggression, pessimism, grandiosity, dominance, social avoidance, shyness, aggressiveness, irresponsibility and negative/neurotic emotions, which sensitivity coefficients of all them was lower than 0.40. Also, all subscales of the third version of Minnesota Multiphasic Personality Inventory had adequate diagnostic validity based on clarity coefficient was higher than 0.60, except for the subscales of hypomanic activism and limiting fears of behavior, which clarity coefficient of all them was lower than 0.60.
Conclusion: Based on the results of the present research, counselors, therapists, and specialists can use the third version of Minnesota Multiphasic Personality Inventory for identifying and diagnosing of personality and psychological problems and disorders.
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References
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