V2EX hypothesis-testing

Hypothesis-Testing

定义 Definition

假设检验:统计学中的一种方法,用样本数据来判断关于总体的某个“假设”(通常是原假设)是否应被拒绝。常见做法是设定显著性水平(如 0.05),计算检验统计量与 p 值,并据此做出结论。(在不同领域也可泛指“对假设进行检验”的过程。)

发音 Pronunciation (IPA)

/hapθss tst/

例句 Examples

We use hypothesis testing to see if the new teaching method improves scores.
我们用假设检验来判断新的教学方法是否能提高成绩。

After checking the assumptions, the researcher performed hypothesis testing and rejected the null hypothesis because the p-value was below 0.01.
在检查前提条件后,研究者进行了假设检验,并因 p 值低于 0.01 而拒绝了原假设。

词源 Etymology

hypothesis 来自希腊语 hypothesis(“假设、前提”),由 *hypo-*(“在……之下”)+ thesis(“命题、陈述”)构成;testing 源自英语 test(“测试、检验”)。作为统计学术语,“假设检验”的系统框架主要在 20 世纪由 Fisher(显著性检验思想)以及 NeymanPearson(原/备择假设与检验功效框架)等人发展并普及。

相关词 Related Words

文学/著作中的用例 Notable Works

  • Statistical Inference(Casella & Berger)
  • All of Statistics(Larry Wasserman)
  • The Elements of Statistical Learning(Hastie, Tibshirani & Friedman)
  • The Design of Experiments(R. A. Fisher)
  • Testing Statistical Hypotheses(Lehmann & Romano)
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