확인적 요인분석을 통한 마음건강척도의 타당화 연구
Revision of the Mental Fitness Scale : Validation and Confirmatory Factor Analysis
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초록
Objectives The purpose of this study was to correct the statistical errors in the previous article on “The Development of the ‘Mental Fitness’ Scale” (MFS) and to confirm the validity of factor structure via confirmatory factor analysis. Methods Based on re-analysis of the factor structure of 25 preliminary items using the original dataset, we identified 22 items of the MFS and assessed test-retest reliability. Concurrent validity was assessed by correlating the new set of MFS with total scores of the Beck Depression Inventory and Positive and Negative Affect Schedule. We also performed confirmatory factor analysis (CFA) in order to verify the factor structure resulting from the exploratory factor analysis. Results Re-analysis yielded five factors of 22 items, which is different from four factors of 20items in the previous paper. ‘Self-understanding’ was added as one of the five factors. The testretest reliability coefficients were significantly high, ranging between 0.57-0.73. Internal consistency was computed, and Cronbach’s α for five factors ranged between 0.67-0.86, and was 0.91for the total score. Concurrent validity and discriminant validity were both significant. The validity of five factor structure based on CFA was verified as root mean square error of approximation was significant. Conclusion Based on results of confirmatory factor analysis, the validity and utility of the revised MFS was increased.
Abstract
Objectives The purpose of this study was to correct the statistical errors in the previous article on “The Development of the ‘Mental Fitness’ Scale” (MFS) and to confirm the validity of factor structure via confirmatory factor analysis. Methods Based on re-analysis of the factor structure of 25 preliminary items using the original dataset, we identified 22 items of the MFS and assessed test-retest reliability. Concurrent validity was assessed by correlating the new set of MFS with total scores of the Beck Depression Inventory and Positive and Negative Affect Schedule. We also performed confirmatory factor analysis (CFA) in order to verify the factor structure resulting from the exploratory factor analysis. Results Re-analysis yielded five factors of 22 items, which is different from four factors of 20items in the previous paper. ‘Self-understanding’ was added as one of the five factors. The testretest reliability coefficients were significantly high, ranging between 0.57-0.73. Internal consistency was computed, and Cronbach’s α for five factors ranged between 0.67-0.86, and was 0.91for the total score. Concurrent validity and discriminant validity were both significant. The validity of five factor structure based on CFA was verified as root mean square error of approximation was significant. Conclusion Based on results of confirmatory factor analysis, the validity and utility of the revised MFS was increased.
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