Evaluation of the Swedish Trauma Symptom Inventory-2 in a clinical and a student population - 25/05/18
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Abstract |
Introduction |
The Trauma Symptom Inventory-2 (TSI-2) is a broad-spectrum assessment instrument designed to identify symptoms that can appear in the aftermath of potentially traumatic experiences.
Objective |
This study aimed to evaluate the external and internal validity of this newly reconstructed instrument.
Method |
In total, 696 individuals participated in the study, including 83 psychiatric outpatients. Participants answered the TSI-2, together with a trauma history questionnaire, and other questionnaires assumed to correlate with the different scales included in the TSI-2.
Results |
Validity was evaluated by correlations between the TSI-2 and the other instruments and by the differences between clinical and non-clinical populations. Reliability was calculated by testing internal consistency and test-re-test reliability. A confirmatory factor analysis (CFA) was computed to test the postulated four-factor structure. Cronbach's alpha was found to be good and ranged from α=.77 to .91 and test-retest reliability was strong. Strong to satisfactory correlations were found between the TSI-2 and the other instruments. The student sample scored significantly lower than the clinical group on all clinical scales. Sensitivity and specificity were calculated with different cut-off scores.
Conclusion |
Despite the CFA demonstrating a questionably good model of fit, most of the scales proved to be sound and the TSI-2 could be recommended as a broad-spectrum assessment instrument.
El texto completo de este artículo está disponible en PDF.Keywords : Trauma Symptom Inventory-2, Adults, Reliability, Validity, Trauma, Psychiatry
Esquema
Vol 2 - N° 2
P. 71-82 - avril 2018 Regresar al númeroBienvenido a EM-consulte, la referencia de los profesionales de la salud.
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