V2EX step-down procedure

Step-down Procedure

释义 Definition

“step-down procedure”常指“逐步下调/逐步递减程序”:一种按步骤逐级降低某个水平(如剂量、强度、风险控制阈值,或统计检验的显著性标准)的做法或规则。在统计学语境中也常特指“逐步下调的多重检验程序”(如 Holm 的 step-down procedure),用于控制总体错误率。

发音 Pronunciation

/stp.dan prsi.dr/

例句 Examples

The doctor recommended a step-down procedure to reduce the medicine safely.
医生建议采用逐步递减程序,以安全地减少药量。

In the analysis, we used a step-down procedure to adjust for multiple comparisons and avoid false positives.
在分析中,我们采用逐步下调的检验程序来校正多重比较,避免出现假阳性结果。

词源 Etymology

step-down 由 step(步骤)+ down(向下、降低)组成,表示“分步降低”;procedure 来自拉丁语 procedere(向前进行),引申为“程序、步骤”。合起来即“按步骤逐级降低的程序/方法”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Multiple Testing Procedures(多重检验程序,统计学专著;讨论包括 Holm 的 step-down procedure 等方法)
  • Multiple Comparisons and Multiple Tests(多重比较与多重检验;常提及 step-down/step-up 一类校正程序)
  • Practical Statistics for Medical Research(医学研究实用统计;在多重比较/显著性校正语境中可能出现 “step-down procedure”)
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