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- Validating a Short Version of the Intolerance of Uncertainty Scale-12 (IUS-12)
- Somin Lee, Myoung-Ho Hyun, Jaeeun Shin
- STRESS. 2023;31(3):97-105. Published online September 30, 2023
- DOI: https://doi.org/10.17547/kjsr.2023.31.3.97
- 2,588 View
- 178 Download
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Abstract
PDF - 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.
- Development and Validation of Short Form of the Normal Depression Scale for Individual Screening
- Soonmook Lee, Jong-Nam Kim, Jungmin Chae, Seungwon Choi, Dong Gi Seo
- STRESS. 2018;26(4):277-289. Published online December 31, 2018
- DOI: https://doi.org/10.17547/kjsr.2018.26.4.277
- 2,405 View
- 73 Download
- 2 Citations
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Abstract
PDF
Supplementary Material Background: The purpose of this study is to develop a short form of the normal depression scale for individual use in the school, health, industry, organization, and counseling settings, based on the original normal depression scale (17 items).
Methods: To achieve this purpose, we selected five items from the original test and analyzed data using Mplus 7.4 and SPSS 21.0.
Results: The normal depression scale-short form consists of 5 items. The reliability of the short form (test-retest reliability) was good. The content validity and internal structure validity (1 factor model) were verified. The cut score between normal and dysfunctional depression was determined to be 18.
Conclusions: The normal depression scale-short form for individual screening is verified to have good reliability and validity, so it is expected to be useful to perform quick screening of normal depression in the practical settings.
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Citations
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- Development of a cyberbullying victimization scale for adolescents in South Korea
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