V2EX huynh-feldt

Huynh-Feldt

释义 Definition

HuynhFeldt(校正/修正):统计学中用于重复测量方差分析(repeated-measures ANOVA)的一种校正方法(常见于“HuynhFeldt correction”或“HuynhFeldt epsilon, ε”),当球形性假设(sphericity)可能不成立时,用来调整自由度与显著性检验,使结果更稳健。(也常与 GreenhouseGeisser 校正并列比较。)

发音 Pronunciation (IPA)

/wn flt/

词源 Etymology

该术语源自两位统计学研究者的姓氏 HuynhFeldt。他们在关于重复测量设计中球形性偏离情况下的推断方法研究中提出了相关的校正思想与估计量,因此该校正以其姓氏命名。

例句 Examples

If Mauchly’s test is significant, you can report the Huynh-Feldt correction.
如果 Mauchly 球形性检验显著,你可以报告 Huynh-Feldt 校正的结果。

In a repeated-measures ANOVA with three time points, the Huynh-Feldt adjusted degrees of freedom reduced the risk of a misleading p-value when sphericity was violated.
在包含三个时间点的重复测量方差分析中,Huynh-Feldt 调整后的自由度在球形性被违反时能降低得到误导性 p 的风险。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Huynh, H., & Feldt, L. S. (1976). Estimation of the Box correction for degrees of freedom from sample data in randomized block and split-plot designs. Journal of Educational Statistics(提出并系统讨论相关校正/估计,属于该术语的经典来源)
  • Maxwell, S. E., & Delaney, H. D. Designing Experiments and Analyzing Data(实验设计与方差分析教材中常见 HuynhFeldt 与 GreenhouseGeisser 的对照讲解)
  • Field, A. *Discovering Statistics Using (SPSS/IBM SPSS Statistics)*(应用统计教材中常在重复测量 ANOVA 章节出现 “Huynh-Feldt correction” 的报告方式)
  • Tabachnick, B. G., & Fidell, L. S. Using Multivariate Statistics(在重复测量与假设检验的讨论中常提及球形性与相应校正方法)
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