Diagnostic Validity of the "Shedler-Westen Assessment Procedure" in a Non-Clinical Sample of the Iranian Oil Industry
Keywords:
Diagnostic Validity, Shedler-Westen Assessment Procedure, Personality Disorders, Non-ClinicalAbstract
Background and Objective: Examining the diagnostic validity of various tools for identifying people with personality disorders is of great importance. As a result, the aim of this study was determine the diagnostic validity of the Shedler-Westen assessment procedure in a non-clinical sample of the Iranian oil industry.
Methods and Materials: This research in terms of purpose was applied and in terms of implementation method was quantitative. The research population was employees of the oil industry applying for managerial positions in 2023 year, which number of people of them were selected as a sample with using the purposeful sampling method. Data were collected with using the Shedler-Westen assessment procedure (SWAP-200) and for determine the diagnostic validity were use, three methods of confidence interval, sensitivity coefficient and clarity coefficient in SPSS software.
Findings: The findings showed that all 12 scales of the Shedler-Westen assessment procedure, including paranoid, schizoid, schizotypal, antisocial, borderline, histrionic, narcissistic, avoidant, dependent, obsessive, depressive, and passive-aggressive had adequate diagnostic validity due to a confidence interval greater than 2 standard deviations. Also, the 9 scales of paranoid, schizoid, antisocial, histrionic, narcissistic, avoidant, dependent, obsessive, and passive-aggressive had appropriate diagnostic validity due to their sensitivity coefficient and clarity coefficient higher than 0.90 and 0.70, respectively, but the schizotypal scale had inadequate diagnostic validity due to a sensitivity coefficient of 0.21 and a clarity coefficient of 0.80, the borderline scale had inadequate diagnostic validity due to a sensitivity coefficient of 0.35 and a clarity coefficient of 0.70, and the depressive scale had inadequate diagnostic validity due to a clarity coefficient of 0.57 and a sensitivity coefficient of 0.65, respectively.
Conclusion: According to the results of this study, specialists and therapists of personality disorders can use the Shedler-Westen assessment procedure as a tool with appropriate diagnostic validity.
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References
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