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KMID : 0981220200200030297
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Congnitive Behavior Therapy in Korea
2020 Volume.20 No. 3 p.297 ~ p.322
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Validation of the Korean version of Repetitive Thinking Questionnaire (K-RTQ)
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Yeo Hye-Kyung
Hwang Seong-Hoon
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Abstract
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The aim of present study was to translate and validate the Repetitive Thinking Questionnaire (RTQ) measuring repetitive negative thinking (RNT) as a transdiagnostic cognitive vulnerability in Korean sample. 675 cyber university students (Sample A of 345 Ss, Sample B of 272 Ss, Sample C of 58 Ss) completed K-RTQ, Korean Ruminative Response Scale (K-RRS), Penn State Worry Questionnaire (PSWQ), Korean Perseverative Thinking Questionnaire (K-PTQ), Korean Version of Center for Epidemiologic Studies Depression Scale (K-CES-D), and Korean Self-rating Anxiety Scale (K-SAS) through online survey. We examined eigenvalues, cumulative variance accounted for, scree test, parallel analysis, and model fits to determine the number of factors in sample A. Exploratory factor analysis and the exploratory structural equation model were conducted with mean and variance adjusted weighted least squares factoring and geomin oblique rotation. It was found that K-RTQ has two-factor structure composed of ‘Occurrence of Negative Repetitive Thinking’ and ‘Difficulty in Controlling Repetitive Thinking’ explaining 53.797% of total variance. In sample B K-RTQ showed significant positive correlations with K-RRS, PSWQ and K-PTQ, demonstrating its convergent validity and displayed significant positive correlations with K-CES-D and K-SAS, showing its criterion-related validity. Furthermore the results from hierarchical regression analysis in sample B showed that K-RTQ explained additional variance of depression and anxiety above K-PTQ measuring trait RNT, supporting its incremental validity. In addition, K-RTQ had both high internal consistency in sample B and appropriate test-retest reliability over 4-week interval in sample C. Finally, we discuss the implications along with limitations of the study and suggestions for the further research.
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KEYWORD
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Korean version of Repetitive Thinking Questionnaire (K-PTQ), Repetitive Negative Thinking, Validation, Factor Analysis, Exploratory Structural Equation Model
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