Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Intolerance of Uncertainty Scale: Construct validity of Prospective and Inhibitory factor structure

불확실성에 대한 인내력 부족 척도: 전향적·억제적 요인의 구인 타당도 검증

  • Choi, Hyo Sun (Department of Psychiatry, Hanyang University Guri Hospital) ;
  • Kim, Eun-Kyung (Department of Psychiatry, Hanyang University Guri Hospital)
  • 최효선 (한양대학교 구리병원 정신건강의학과) ;
  • 김은경 (한양대학교 구리병원 정신건강의학과)
  • Received : 2020.05.22
  • Accepted : 2020.09.04
  • Published : 2020.09.30
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Abstract

Intolerance of Uncertainty is associated with numerous psychopathologies, including generalized anxiety disorders. However, several studies differ in the factor structures applicable for the Intolerance of Uncertainty Scale (IUS), and there exists a debate regarding the factorial and construct validity. Thus, in the current study, the IUS was newly translated to explore and verify the structures and factors relative to the cultural background of Korea. The study involved an exploratory factor analysis of randomly extracted data from 260 of 533 adults selected. Results determined that a prospective factor of 3 items and inhibitory factor of 5 items was appropriate. In addition, a confirmatory factor analysis and correlation analysis of the remaining 273 data revealed that a structural model comprising of the 8-items two factors model was well suited (x2=37.699, TLI=0.951, CFI=0.969, RMSEA=0.063, SRMR=0.039), and showed significant static correlation with worry, depression, and state-trait anxiety.

불확실성에 대한 인내력 부족은 범불안장애 등 다양한 정신질환과 관련이 있는 것으로 알려져 있다. 하지만 이를 측정하는 척도(IUS: Intolerance of Uncertainty Scale, 이하 IUS)는 여러 연구에서 요인 구조가 다르게 나타나는 바, 본 연구에서는 IUS의 구인 타당도를 검증하고 요인 구조를 명확하게 하고자 하였다. 이를 위해 대학생 533명을 대상으로 자료를 수집하였고, 이 중 임의로 추출한 260명의 자료를 대상으로 탐색적 요인 분석한 결과, 3문항으로 구성된 전향적 요인과 5문항으로 구성된 억제적 요인의 2요인 구조가 적합한 것으로 나타났다. 또한 나머지 273명의 자료를 대상으로 확인적 요인분석과 상관 분석을 한 결과, 8문항 2요인의 구조모형의 적합도가 선행 연구에서 제시한 모형들에 비해 우수하게 나타났다(x2=37.699, TLI=0.951, CFI=0.969, RMSEA=.063, SRMR=.039). 아울러 걱정 및 불안, 우울 관련 측정 도구들과 유의미한 정적 상관을 보였다. 본 연구는 IUS의 구인 타당도를 검증하여 전향적 요인과 억제적 요인으로 구성됨을 확인하고, IUS-08를 제안하여 보다 정확하고 간략한 척도를 개발하였다는 점에서 의의가 있겠다.

Keywords

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