A confirmatory factor analysis of the impact of event scale using a sample of World War II and Korean War veterans

Mark Shevlin; N Hunt; I Robbins

A confirmatory factor analysis of the impact of event scale using a sample of World War II and Korean War veterans

Mark Shevlin
, N Hunt
, I Robbins

Research output: Contribution to journal › Article › peer-review

Abstract

This study assessed the factor structure of the Impact of Event Scale (IES), a measure of intrusion and avoidance, using a sample of World War II and Korean War veterans who had experienced combat 40-50 years earlier. A series of 3 confirmatory factor analytic models were specified and estimated using LISREL 8.3. Model 1 specified a 1-factor model. Model 2 specified a correlated 2-factor model. Model 3 specified a 2-factor model with additional cross-factor loadings for Items 2 and 12. Model 3 was found to fit the data. In addition, this model was found to be a better explanation of the data than the other models. Also in addition, the correlations between the Intrusion and Avoidance factors and the 4 subscales of the 28-item General Health Questionnaire were examined to determine the distinctiveness of the two IES factors.

Original language	English
Pages (from-to)	414-417
Journal	Psychological Assessment
Volume	12
Issue number	4
Publication status	Published (in print/issue) - Dec 2000

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Shevlin, M., Hunt, N., & Robbins, I. (2000). A confirmatory factor analysis of the impact of event scale using a sample of World War II and Korean War veterans. Psychological Assessment, 12(4), 414-417. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V9F-40MT42J-K&_user=126978&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000010438&_version=1&_urlVersion=0&_userid=126978&md5=c9324f40a109a41a4e5adadcc9666d44

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abstract = "This study assessed the factor structure of the Impact of Event Scale (IES), a measure of intrusion and avoidance, using a sample of World War II and Korean War veterans who had experienced combat 40-50 years earlier. A series of 3 confirmatory factor analytic models were specified and estimated using LISREL 8.3. Model 1 specified a 1-factor model. Model 2 specified a correlated 2-factor model. Model 3 specified a 2-factor model with additional cross-factor loadings for Items 2 and 12. Model 3 was found to fit the data. In addition, this model was found to be a better explanation of the data than the other models. Also in addition, the correlations between the Intrusion and Avoidance factors and the 4 subscales of the 28-item General Health Questionnaire were examined to determine the distinctiveness of the two IES factors.",

author = "Mark Shevlin and N Hunt and I Robbins",

year = "2000",

month = dec,

language = "English",

volume = "12",

pages = "414--417",

journal = "Psychological Assessment",

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Shevlin, M, Hunt, N & Robbins, I 2000, 'A confirmatory factor analysis of the impact of event scale using a sample of World War II and Korean War veterans', Psychological Assessment, vol. 12, no. 4, pp. 414-417. <http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V9F-40MT42J-K&_user=126978&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000010438&_version=1&_urlVersion=0&_userid=126978&md5=c9324f40a109a41a4e5adadcc9666d44>

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AU - Shevlin, Mark

AU - Hunt, N

AU - Robbins, I

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N2 - This study assessed the factor structure of the Impact of Event Scale (IES), a measure of intrusion and avoidance, using a sample of World War II and Korean War veterans who had experienced combat 40-50 years earlier. A series of 3 confirmatory factor analytic models were specified and estimated using LISREL 8.3. Model 1 specified a 1-factor model. Model 2 specified a correlated 2-factor model. Model 3 specified a 2-factor model with additional cross-factor loadings for Items 2 and 12. Model 3 was found to fit the data. In addition, this model was found to be a better explanation of the data than the other models. Also in addition, the correlations between the Intrusion and Avoidance factors and the 4 subscales of the 28-item General Health Questionnaire were examined to determine the distinctiveness of the two IES factors.

AB - This study assessed the factor structure of the Impact of Event Scale (IES), a measure of intrusion and avoidance, using a sample of World War II and Korean War veterans who had experienced combat 40-50 years earlier. A series of 3 confirmatory factor analytic models were specified and estimated using LISREL 8.3. Model 1 specified a 1-factor model. Model 2 specified a correlated 2-factor model. Model 3 specified a 2-factor model with additional cross-factor loadings for Items 2 and 12. Model 3 was found to fit the data. In addition, this model was found to be a better explanation of the data than the other models. Also in addition, the correlations between the Intrusion and Avoidance factors and the 4 subscales of the 28-item General Health Questionnaire were examined to determine the distinctiveness of the two IES factors.

M3 - Article

SN - 1939-134X

VL - 12

SP - 414

EP - 417

JO - Psychological Assessment

JF - Psychological Assessment

IS - 4

ER -

A confirmatory factor analysis of the impact of event scale using a sample of World War II and Korean War veterans

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