The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims
Giuseppe Craparo,1 Palmira Faraci,1 Giuseppe Rotondo,2 Alessio Gori3 1Faculty of Human and Social Sciences, University of Enna Kore, Italy; 2Department of Psychology, Unit of Psychotraumatology, San Raffaele Giglio Hospital of Cefalù, Italy; 3Department of Psychology, University of Floren...
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Dove Medical Press
2013
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oai:doaj.org-article:a20367dd95364cdea76d4554b4743cc12021-12-02T05:19:03ZThe Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims1176-63281178-2021https://doaj.org/article/a20367dd95364cdea76d4554b4743cc12013-09-01T00:00:00Zhttp://www.dovepress.com/the-impact-of-event-scale-ndash-revised-psychometric-properties-of-the-a14426https://doaj.org/toc/1176-6328https://doaj.org/toc/1178-2021Giuseppe Craparo,1 Palmira Faraci,1 Giuseppe Rotondo,2 Alessio Gori3 1Faculty of Human and Social Sciences, University of Enna Kore, Italy; 2Department of Psychology, Unit of Psychotraumatology, San Raffaele Giglio Hospital of Cefalù, Italy; 3Department of Psychology, University of Florence, Italy Background: This study aims to verify the main psychometric properties of the Italian version of the Impact of Event Scale – Revised (IES-R) in a sample of flood victims. Methods: The sample was composed of 262 subjects involved in the natural disaster of 2009 in the city of Messina (Italy). All participants completed the IES-R and the Dissociative Experiences Scale-II (DES-II) in order to verify some aspects of convergent validity. Results: The exploratory and confirmatory factor analysis, used to verify the construct validity of the measure, showed a clear factor structure with three independent dimensions: intrusion, avoidance, and hyper-arousal. The goodness-of-fit indices (non-normed fit index [NNFI] = 0.99; comparative fit index [CFI] = 0.99; standardized root mean square residual [SRMR] = 0.04; and root mean square error of approximation [RMSEA] = 0.02) indicated a good adaptation of the model to the data. The IES-R scales showed satisfactory values of internal consistency (intrusion, α = 0.78; avoidance, α = 0.72; hyper-arousal, α = 0.83) and acceptable values of correlation with the DES-II. Conclusion: These results suggest that this self-reported and easily administered instrument for assessing the dimensions of trauma has good psychometric properties and can be adopted usefully, both for research and for practice in Italy. Keywords: IES-R, PTSD, dissociationCraparo GFaraci PRotondo GGori ADove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2013, Iss default, Pp 1427-1432 (2013) |
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Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 |
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Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Craparo G Faraci P Rotondo G Gori A The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| description |
Giuseppe Craparo,1 Palmira Faraci,1 Giuseppe Rotondo,2 Alessio Gori3 1Faculty of Human and Social Sciences, University of Enna Kore, Italy; 2Department of Psychology, Unit of Psychotraumatology, San Raffaele Giglio Hospital of Cefalù, Italy; 3Department of Psychology, University of Florence, Italy Background: This study aims to verify the main psychometric properties of the Italian version of the Impact of Event Scale – Revised (IES-R) in a sample of flood victims. Methods: The sample was composed of 262 subjects involved in the natural disaster of 2009 in the city of Messina (Italy). All participants completed the IES-R and the Dissociative Experiences Scale-II (DES-II) in order to verify some aspects of convergent validity. Results: The exploratory and confirmatory factor analysis, used to verify the construct validity of the measure, showed a clear factor structure with three independent dimensions: intrusion, avoidance, and hyper-arousal. The goodness-of-fit indices (non-normed fit index [NNFI] = 0.99; comparative fit index [CFI] = 0.99; standardized root mean square residual [SRMR] = 0.04; and root mean square error of approximation [RMSEA] = 0.02) indicated a good adaptation of the model to the data. The IES-R scales showed satisfactory values of internal consistency (intrusion, α = 0.78; avoidance, α = 0.72; hyper-arousal, α = 0.83) and acceptable values of correlation with the DES-II. Conclusion: These results suggest that this self-reported and easily administered instrument for assessing the dimensions of trauma has good psychometric properties and can be adopted usefully, both for research and for practice in Italy. Keywords: IES-R, PTSD, dissociation |
| format |
article |
| author |
Craparo G Faraci P Rotondo G Gori A |
| author_facet |
Craparo G Faraci P Rotondo G Gori A |
| author_sort |
Craparo G |
| title |
The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| title_short |
The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| title_full |
The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| title_fullStr |
The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| title_full_unstemmed |
The Impact of Event Scale – Revised: psychometric properties of the Italian version in a sample of flood victims |
| title_sort |
impact of event scale – revised: psychometric properties of the italian version in a sample of flood victims |
| publisher |
Dove Medical Press |
| publishDate |
2013 |
| url |
https://doaj.org/article/a20367dd95364cdea76d4554b4743cc1 |
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