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A validation of the PCL-5 questionnaire for PTSD in primary and secondary care
Olivia Ferrie1, Thomas Richardson1, Tanya Smart2
1School of Psychology, University of Southampton.
Objective:
This paper explored the factor structure of the PCL-5 within a sample of U.K. primary and secondary care mental health service users. Much of the previous investigations into the PCL-5 have been conducted on military or emergency service personnel; therefore, it is important to understand the validity of this tool within a broader sample. In addition to this concerns have been raised over the statistical validity of much of the previous research.
Method:
An exploratory factor analysis was used to determine the factor structure of the PCL-5 within this population.
Results:
The results of this study suggest that several items of the PCL-5 should be removed, and this presents a 3-factor structure whereby the factors are Anhedonia, Intrusion and Negative alterations in Mood and Cognition.
Conclusions:
This challenges much of the previous literature, which suggested 4, 6, and 7 factor models. The implications of this are discussed in detail in this paper. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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