의대생의 근거중심의학(Evidence-Based Medicine) 수행역량 평가를 위한 질문지 개발 및 타당화

• 영문명: Development and Validation of a Questionnaire to Evaluate Medical Students’ Evidence-Based Medicine Competencies
• 발행기관: 한국의학교육학회
• 저자명: 박재현(Jaehyun Park) 윤태영(Taeyoung Yoon) 고진경(Jinkyung Ko)
• 간행물 정보: 『Korean Journal of Medical Education』제21권 제3호, 259~267쪽, 전체 9쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 2009.09.30

영문 초록

Purpose: The purpose of the study was to develop and validate a questionnaire to evaluate medical students’ knowledge of, attitude towards and practice of evidence-based medicine (EBM). Methods: The participants of the study were 418 medical students enrolled in the Kyung Hee University School of Medicine in Seoul, Korea. To examine construct validity of the questionnaire, an exploratory factor analysis (EFA) was performed with 118 participants; a confirmatory factor analysis (CFA) was conducted with the remaining 281 participants. We developed 41 items with a 4-point Likert scale. An EFA was performed to verify the emergence of four dimensions of EBM competencies. The principal axis factoring method and the direct oblimin rotation method were used. To confirm construct validity, a CFA was conducted with the remaining 281 participants. To evaluate model fitness, root mean square error of approximation (RMSEA) and comparative fit index (CFI) were used as fit indices. We conducted ANOVA with Scheffe as discriminant validation, and calculated Cronbach’s α of 4 subscales as reliability checkup. Results: After refinement procedure, factor analysis of the 32 items in therevised questionnaire yielded 4 factors. The Scree plot supported a 4 factor solution explaining 53.5% of the variance. The 4 components derived were: factor 1_knowledge on EBM (11 items; Cronbach’s α=0.92); factor 2_ pursuit towards EBM (10; 0.88); factor 3_reluctance on EBM (7; 0.78); factor 4_practice of EBM (4; 0.75). The questionnaire could discriminate competence differences among 1-3 yr students. Satisfactory Cronbach’s αscores were noted for each factor as well. Conclusion: The EBM competency questionnaire was validated.

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대상 및 방법

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키워드

Evidence-based medicine Undergraduate medical education Educational measurement