V2EX independent samples

Independent Samples

释义 Definition

independent samples(独立样本):统计学/研究方法中指来自彼此独立的两组或多组样本,一组中的个体/观测值不与另一组中的个体一一对应(非配对、非重复测量)。常用于两独立样本 t 检验、比较两组均值等情境。日常语境中也可泛指“互不相关的样本”。

例句 Examples

We compared the two classes using independent samples.
我们用独立样本比较了两个班级的结果。

Because the participants were randomly assigned to two separate groups, the data form independent samples, so an independent-samples t-test is appropriate.
由于参与者被随机分配到两个独立组别,这些数据构成独立样本,因此适合使用两独立样本 t 检验。

发音 Pronunciation (IPA)

/ndpndnt smplz/

词源 Etymology

independentin-(否定)+ dependent(依赖的)构成,表示“不依赖他物的、相互独立的”。sample 源自古法语 essample,进一步追溯到拉丁语 exemplum(例子、样本/范例)。合起来 independent samples 强调“样本之间互不依赖、互不配对”。

相关词 Related Words

文学与著作 Literary Works

  • Statistical Inference(Casella & Berger)
  • Introduction to the Practice of Statistics(Moore, McCabe, Craig)
  • Discovering Statistics Using IBM SPSS Statistics(Andy Field)
  • Fundamentals of Biostatistics(Bernard Rosner)
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