V2EX multiple-comparisons

Multiple Comparisons

释义 Definition

multiple comparisons:多重比较(统计学术语),指在同一研究/同一数据集上进行多次统计检验或多组比较(如多组均值两两比较)。由于比较次数增多,出现“偶然显著”(假阳性)的概率会上升,因此常需要进行校正(如 Bonferroni、Tukey、Holm 等)。

例句 Examples

We corrected for multiple comparisons to reduce false positives.
我们对多重比较进行了校正,以减少假阳性结果。

After running several t-tests across many brain regions, the team applied a multiple-comparisons adjustment to control the overall error rate.
在对多个脑区进行了多次 t 检验之后,研究团队采用多重比较校正来控制整体错误率。

发音 Pronunciation (IPA)

/mltpl kmprsnz/

词源 Etymology

multiple 来自拉丁语 multiplex(“多重的、复合的”),强调“数量多、层次多”;comparison(s) 源自拉丁语 comparare(“对照、比较”)。合起来在统计语境中指“进行多次比较/检验”,并引申出“多重比较问题”(比较越多,越容易碰巧得到显著结果)。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Multiple Comparisons: Theory and Methods(Y. Hsu)
  • Design and Analysis of Experiments(Douglas C. Montgomery)
  • Applied Linear Statistical Models(Kutner, Nachtsheim, Neter, Li)
  • Statistical Inference(Casella & Berger)
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