Abstract:
OBJECTIVE:This psychometric study explores the Portuguese version of the Posttraumatic Stress Disorder (PTSD) Checklist (PCL-5). It aims to clarify the best-fitting latent structure among competing PTSD models (Diagnostic and Statistical Manual of Mental Disorders-fifth edition [DSM-5], Dysphoria, Dysphoric Arousal, Anhedonia, Externalizing Behavior, And Hybrid models) and its implications for PTSD measurement. METHOD:Psychometric analyses were conducted in a sample from the general population of firefighters (N = 446), except the temporal stability, which was tested in a subsample of 100 participants. RESULTS:The models presented significant differences in a global fit. The Hybrid model presented the best-fitting structure, but the DSM-5 model showed more favorable reliability and convergent validity in Confirmatory Factor Analyses. The DSM-5 model also proved to be internally consistency, temporally stable, and presented convergent validity. CONCLUSION:The Portuguese version of PCL-5 is reliable and valid. The findings suggest the appropriateness of the DSM-5 model to assess PTSD symptomatology, encouraging its use in clinical, and research settings.
journal_name
J Clin Psycholjournal_title
Journal of clinical psychologyauthors
Carvalho T,da Motta C,Pinto-Gouveia Jdoi
10.1002/jclp.22930subject
Has Abstractpub_date
2020-07-01 00:00:00pages
1267-1282issue
7eissn
0021-9762issn
1097-4679journal_volume
76pub_type
杂志文章abstract::A review of research literature that addresses personality correlates of bulimia revealed a major problem which affects that research and its interpretation: Criteria used to define this disorder have not been consistent across investigators. A related issue is that this disorder has been described by a variety of nam...
journal_title:Journal of clinical psychology
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