Psychometric Validation of Post-traumatic Stress Disorder Checklist for DSM– 5 (PCL-5) among Rwandan Undergraduate Students
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Introduction
The Posttraumatic Stress Disorder Checklist for DSM– 5 (PCL-5) is one of the most commonly used tools in measuring PTSD symptoms. However, little is known about its validity in post-genocide Rwanda. This research therefore, aimed at determining psychometric properties and diagnostic utility of the PCL-5 scale among university students in Rwanda.Method
A total of 143 participants completed PCL-5, the Harvard Trauma Questionnaire-part4 (HTQ-part4), and the Hopkins Symptom Checklist-25 (Anxiety [HSCL-A] and Depression [HSCL-D] subscales). The Cronbach's alpha coefficient and the Mean Item Inter-Correlation (MIIC) were computed to assess the tool reliability and Receiver Operator Characteristics (ROC) was performed to determine a valid cutoff-score.Results
Findings indicated excellent internal consistency for PCL-5 total score and each of the four subscales. PCL-5 scores correlated strongly with scores on HTQ-part4, HSCL-D and HSCL-A, supporting convergent validity. The diagnostic accuracy of the scale was excellent (AUC=0.934, p<.001). The optimal cutoff score of ≥23 optimized sensitivity (0.887) while maintaining adequate specificity (0.889).Conclusion
It can be concluded that PCL-5 has high validity, internal consistency, and psychometric properties when applied to the sample of Rwandan students.Keywords:
Language:
English
Published:
International Journal of Behavioral Sciences, Volume:15 Issue: 3, Autumn 2021
Pages:
207 to 212
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