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KMID : 0607320200290040296
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Journal of Korean Academy of Psychiatric and Mental Health Nursing
2020 Volume.29 No. 4 p.296 ~ p.303
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Psychometric Evaluation of the Korean version of the Penn State Worry Questionnaire with a Sample of University Students
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Lee Bo-Ram
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Abstract
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Purpose: The purpose of this study was to evaluate the psychometric properties and factor structure of the Koreanversion of the Penn State Worry Questionnaire (PSWQ) for use with the Korean university student population.
Methods: A sample of 504 undergraduate students enrolled at a four-year university in South Korea were recruitedfor the study. Confirmatory factor analysis (CFA) was conducted, based on pre-existing models, to compare the modelfit indices of three previously proposed factor structures for the PSWQ. Internal consistency was measured usingCronbach’s ? while test-retest reliability was assessed using Pearson correlation coefficients. To assess theconvergent validity of the PSWQ, Pearson correlations were conducted to examine the association between thePSWQ and the State-Trait Anxiety Inventory-T.
Results: CFA results indicated that the one-factor model with methodeffect fit the data well in the sample. The PSWQ evidenced high internal consistency and adequate to good test-retestreliability over four weeks. The PSWQ also demonstrated substantial convergent validity with trait anxiety.
Conclusion:The Korean version of the PSWQ was found to be sufficiently coherent and robust to be used with the university studentpopulations and its reliability and validity has also been supported. The PSWQ measures a facet of worry as a general,unidimensional construct but different response patterns emerged between positively or negatively worded questions.
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KEYWORD
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Confirmatory factor analysis, Factor structure, Penn State Worry Questionnaire (PSWQ), Psychometric properties, University students
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