V2EX meta-analysis

Meta-analysis

Definition / 定义

Meta-analysis(荟萃分析):一种统计方法,把多项关于同一问题的研究结果“合并”起来进行综合分析,以得到更稳定、总体性的结论(常见于医学、心理学、教育学等领域)。也常泛指“对多项研究的系统性定量综述”(与 systematic review 常并用,但不完全等同)。

Examples / 例句

The meta-analysis found that the new drug reduced symptoms more than the placebo.
荟萃分析发现,新药比安慰剂更能减轻症状。

By pooling data from dozens of trials, the meta-analysis increased statistical power and clarified why earlier studies seemed to disagree.
通过汇总数十项试验的数据,这项荟萃分析提高了统计效能,并解释了为何早期研究看起来彼此矛盾。

Pronunciation / 发音(IPA)

/mt nlss/

Etymology / 词源

meta- 源自希腊语,含“在……之后/更高层次/关于……本身”的意思;analysis 来自希腊语 analysis(“分解、解析”)。合起来表示“对(多项)分析再进行更高层次的分析”,即对研究结果的再综合与再分析。

Related Words / 相关词汇

Notable Works / 文学与著作示例

  • Gene V. Glass (1976), Primary, Secondary, and Meta-Analysis of Research(提出并推广“meta-analysis”术语的重要论文)
  • Egger, Davey Smith, & Altman (eds.) (2001), Systematic Reviews in Health Care: Meta-Analysis in Context(系统综述与荟萃分析的经典方法学著作)
  • Higgins & Green (eds.), Cochrane Handbook for Systematic Reviews of Interventions(Cochrane 方法学权威手册,频繁使用并定义 meta-analysis)
  • Borenstein et al. (2009), Introduction to Meta-Analysis(入门级经典教材,广泛引用该术语)
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