Psychology

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The Psychology community showcases scholarly publications and research outputs authored by faculty and researchers in the Faculty of Psychology. This collection includes journal articles, working papers, conference proceedings, and other academic works that contribute to the understanding of theory, policy, and practice. It aims to promote open access to high-quality economic research conducted within the institution.

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Author: search.filters.author.Gashi, ArlindaSubject: search.filters.subject.Dissociation

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    Psychometric properties of the dissociative subtype of posttraumatic stress disorder scale: replication and extension in two Germanspeaking samples
    (AAB College, 2025-07-10) Gashi, Arlinda
    Background: The fifth version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) introduced the dissociative subtype of posttraumatic stress disorder (D-PTSD). To assess this subtype, the Dissociative Subtype of PTSD Scale (DSPS), a 15-item self-report measure to identify lifetime and current dissociative symptoms of D-PTSD, was developed. However, so far, the scale has only been validated in war veterans. Moreover, criterion validity and diagnostic utility have not been examined yet. Objective: We aimed to validate the DSPS in two samples of civilian trauma-exposed Germanspeaking participants. Methods: In Study 1, a pre-registered online study, participants with and without PTSD symptoms (N = 558) answered questionnaires about traumatic experiences, dissociation, PTSD, depression, generalized anxiety disorder, somatic symptom disorder, alcohol use disorder, absorption, and dissociative responding to trauma-related questionnaires. In Study 2, which used secondary data of a pre-registered clinical study, participants with a PTSD diagnosis (N = 71) answered questionnaires about traumatic experiences, dissociation, PTSD, depression, generalized anxiety disorder, somatic symptom disorder, and dissociative responding to standardized trauma exposure. Moreover, PTSD, D-PTSD, and other diagnoses were assessed with structured clinical interviews. Results: Analyses confirmed a three-factor structure as well as high internal consistency, and high convergent, discriminant, and criterion validity of the DSPS. Moreover, the scale was able to identify a latent D-PTSD group and individuals with D-PTSD diagnosis. Conclusions: The DSPS constitutes a reliable and valid tool to assess D-PTSD symptoms in clinical practice and research and thereby may contribute to a better understanding of these debilitating symptoms.

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