• 제목/요약/키워드: Meta-anaylsis

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과학 교육에서 STS 수업모형의 적용효과에 대한 메타 분석 (A Meta-analysis on the Application Effects of STS Teaching and Learning Model)

  • 정미진;윤기순;권덕기
    • 과학교육연구지
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    • 제32권2호
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    • pp.51-70
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    • 2008
  • 이 연구의 목적은 STS 과학교육에 대한 국내 연구의 동향을 분석하고 메타분석을 통해 STS 수업모형의 적용효과를 평가하는데 있다. 연구대상 논문은 1991년부터 2006년까지 출판된 석사학위 논문 104편과 과학교육 저널에 출판된 논문 78편을 포함한 총 180편이었다. STS 수업 모형의 효과 평가에 총 56편이 선정되었다. STS 수업 모형 적용 효과의 평균효과크기는 0.40이었다. 이 결과는 STS 수업은 학생들의 과학에 대한 태도, 과학 학업 성취도, 탐구능력, 환경에 대한 태도 및 환경에 대한 지식을 향상시키는데 전통적인 수업보다 긍정적인 효과가 있었음을 의미한다. STS 수업은 환경에 대한 태도의 증진에 가장 큰 평균효과 크기를 나타내었다. 그러므로, STS 수업에서 가장 좋은 효과를 얻기 위해서는 이러한 결과들을 반영하는 것이 필요할 것이다. 향후 STS 교육에 대한 전반적인 평가를 하기 위해서는 STS 수업 모형의 효과와 과학-기술-사회의 상호관계에 대한 교사와 학생들의 이해에 대한 연구 결과를 종합하는 것이 필요하다.

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녹내장의 침치료 효과에 대한 체계적 문헌고찰 및 메타분석 (Acupuncture for glaucoma: A systematic review and meta-analysis of randomized controlled trials)

  • 이길희;정찬영;장석주;홍승욱
    • 한방안이비인후피부과학회지
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    • 제33권3호
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    • pp.45-68
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    • 2020
  • Objectives : This study aims to evaluate the effectiveness and safety of manual and electroacupuncture on glaucoma. Method : We searched 11 electronic databases using index words to identify randomized clinical trials. Meta-analysis of weighted mean difference (WMD) or standardized mean difference (SMD) were used to evaluate the outcomes. Cochrane bias risk assessment tool was used to assess the risk of bias in each clinical study. The collected data was analyzed using RevMan software (ver. 5.3). Results : At the initial stage of data retrieval, 549 papers were searched. After reviewing 37 full texts, a total of 10 RCT studies (426patients, 715 eyes) were selected and 8 RCT studies (357 people, 617 eyes) were involved in meta-analysis. Meta-analysis of 8 RCTs showed that acupuncture alone was more effective in reducing intraocular pressure(IOP) than conventional treatment (WMD = -5.73, 95% CI: [-12.30, 0.83], P = 0.09, I2 = 97%) The combination of acupuncture or electroacupuncture with conventional treatment was also effective in lowering IOP (WMD = -1.84, 95% CI: [-2.31, -1.37], P <0.00001, I2 = 45%). It was estimated that the combination of acupuncture with conventional treatment was also effective for improving visual field (VF) (WMD = -2.17, 95% CI: [-4.32, -0.02], P = 0.05, I2 = 89%) but improvement in visual acuity (VA) was not significant (MD = 0.06, 95% CI: [-0.03, 0.15], P = 0.23, I2 = 0%). Subgroup analyzes were performed only for the studies that used open glaucoma as the study's disease and combination of acupuncture or electroacupuncture with conventional therapy would have an effect on lowering intraocular pressure (WMD = -1.68)., 95% CI: [-2.46, -0.90], P <0.0001, I2 = 29%). Conclusion : This study suggests that acupuncture treatment for glaucoma may be effective in reducing intraocular pressure and helpful in improving visual field defects. However, due to the small sample size, high risk of bias and high heterogeneity in the methodology, it is expected that further studies will be needed to verify the results. Further studies in large-scale samples based on a minimized biased methodology would be necessary.