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불확실성에 대한 인내력 부족 척도 단축형(IUS-12)의 타당화 연구open accessValidating a Short Version of the Intolerance of Uncertainty Scale-12 (IUS-12)

Authors
이소민현명호신재은
Issue Date
Sep-2023
Publisher
대한스트레스학회
Keywords
Intolerance of uncertainty; Intolerance of uncertainty scale-short form; Validation of the scales; 불확실성에 대한 인내력 부족; 불확실성에 대한 인내력 부족 척도 단축형; 척도 타당화
Citation
스트레스 硏究, v.31, no.3, pp 97 - 105
Pages
9
Journal Title
스트레스 硏究
Volume
31
Number
3
Start Page
97
End Page
105
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/68396
DOI
10.17547/kjsr.2023.31.3.97
ISSN
1225-665X
2234-1668
Abstract
이 연구는 불확실성에 대한 인내력 부족 척도 단축형(IUS-12)을 타당화하였다. 평균 연령 31.29세의 일반인 총 404명(남자 114명, 여자 287명, 기타 3명)을 대상으로 탐색적 및 확인적 요인분석을 실시하였다. Bifactor 모형의 모형기반 신뢰도와 설명된 공통분산을 산출한 결과 IUS-12가 강한 일반 요인을 가지며 총점 사용이 타당함을 제시하였다. 다집단 확인적 요인분석을 통해 남녀 집단에서 측정 불변성을 검증하였다. 타당도 검증에서 특성불안, 걱정, 우울, 회피적 대처전략과 유의한 정적 상관을 보여 수렴 타당도가 적절하였다. 이는 IUS-12가 불확실성에 대한 인내력 부족을 신뢰롭고 타당하게 측정한다는 것을 시사한다. 끝으로 이 연구의 한계와 추후 연구에 대한 제안을 제시하였다.
Background: This study aims to validate the short version of the Intolerance of Uncertainty Scale-12 (IUS-12). Methods: A comprehensive set of questionnaires, including the IUS-12, STAI-T, PSWQ, CES-D, and K-CSI, was administered and completed by 404 participants. The average age of the participants was 31.29 years (SD=9.18), comprising 114 men, 287 women, and 3 individuals identifying with the other gender. We conducted a factor analysis on the collected data and compared the fit indices of one-factor, two-factor, and bifactor models. Furthermore, a multiple-group confirmatory factor analysis evaluated measurement invariance between the men’s and women’s groups. Correlational analyses were also conducted. Results: Data from the study show that the bifactor model was the most appropriate, demonstrating good internal consistency. The Omega coefficients and explained common variance were computed to evaluate the dimensionality of the IUS-12, validating the use of the total score of the scale. Its factor model also showed that the measurement invariance sustained between two gender groups. The correlation analyses between the IUS-12 and other scales assessing attributes such as trait anxiety, worry, depression, and avoidance coping strategy supported convergent validity. Conclusions: These findings suggest that the IUS-12 is a reliable and valid measure for assessing the intolerance of uncertainty. The study also discusses its limitations and offers recommendations for future research endeavors.
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