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Psychometric properties of the posttraumatic cognitions inventory (PTCI) in a German sample of individuals with a history of trauma


Müller, J; Wessa, M; Rabe, S; Dörfel, D; Knaevelsrud, C; Flor, H; Maercker, Andreas; Karl, A (2010). Psychometric properties of the posttraumatic cognitions inventory (PTCI) in a German sample of individuals with a history of trauma. Psychological Trauma: Theory, Research, Practice, and Policy, 2(2):116-125.

Abstract

In this study, we examined the psychometric properties of the 33-item Posttraumatic Cognitions Inventory (Foa, Ehlers, Clark, Tolin, & Orsillo, 1999) in 213 individuals with accident-related trauma and 190 individuals with interpersonal trauma. Confirmatory factor analyses generally supported the scale's original three-factor structure—Negative Cognitions About Self (SELF), Negative Cognitions About World (WORLD), and Self-Blame (BLAME)—after four redundant items were excluded. However, in line with previous findings, results for BLAME remained inconclusive because the scale performed poorly with the individuals with accident-related trauma, whereas its fit with those with interpersonal trauma was acceptable. BLAME might possibly relate to trauma type. Our results indicate that the proposed 29-item version shows acceptable psychometric properties and that the role of BLAME should be further investigated.

In this study, we examined the psychometric properties of the 33-item Posttraumatic Cognitions Inventory (Foa, Ehlers, Clark, Tolin, & Orsillo, 1999) in 213 individuals with accident-related trauma and 190 individuals with interpersonal trauma. Confirmatory factor analyses generally supported the scale's original three-factor structure—Negative Cognitions About Self (SELF), Negative Cognitions About World (WORLD), and Self-Blame (BLAME)—after four redundant items were excluded. However, in line with previous findings, results for BLAME remained inconclusive because the scale performed poorly with the individuals with accident-related trauma, whereas its fit with those with interpersonal trauma was acceptable. BLAME might possibly relate to trauma type. Our results indicate that the proposed 29-item version shows acceptable psychometric properties and that the role of BLAME should be further investigated.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Psychiatry and Psychotherapy
Dewey Decimal Classification:610 Medicine & health
Uncontrolled Keywords:posttraumatic stress disorder; PTSD; trauma; cognition; assessment; inventory
Language:English
Date:June 2010
Deposited On:13 Aug 2010 10:44
Last Modified:05 Apr 2016 14:13
Publisher:American Psychological Association
ISSN:1942-969X
Additional Information:This article may not exactly replicate the final version published in the APA journal. It is not the copy of record.
Publisher DOI:https://doi.org/10.1037/a0018603
Permanent URL: https://doi.org/10.5167/uzh-35408

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