V2EX holding constant

Holding Constant

释义 Definition

(在分析、比较或实验中)保持不变/固定不变(某个变量或条件),以便观察其他因素的影响。常见于统计学、经济学、科学实验等语境。

发音 Pronunciation (IPA)

/hold knstnt/

例句 Examples

We are holding the temperature constant during the test.
我们在测试过程中把温度保持不变。

Holding constant income and age, the study found that education level still predicted health outcomes.
在将收入和年龄保持不变的情况下,研究发现教育水平仍然能预测健康结果。

词源 Etymology

hold 源自古英语 healdan,有“握住、维持、保持”的意思;constant 来自拉丁语 constans(“坚定的、持续不变的”)。两者组合成短语 holding constant,字面即“把某物维持为恒定”,在现代学术写作中常用来表示“控制变量/固定条件”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Introductory Econometrics: A Modern Approach(Jeffrey M. Wooldridge):常用于回归分析语境,如“holding other factors constant”。
  • Intermediate Microeconomics(Hal R. Varian):解释偏导数与比较静态分析时常用“holding … constant”。
  • Principles of Economics(N. Gregory Mankiw):讲解需求/供给变动与“ceteris paribus(其他条件不变)”时与该表达同类出现。
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