V2EX experimental design

Experimental Design

定义 Definition

experimental design:实验设计;指为回答研究问题而对实验流程、变量控制、分组、随机化、样本量与数据收集方式等作出的系统规划,以尽量减少偏差、提高结论的可靠性与可重复性。

发音 Pronunciation (IPA)

/kspermentl dzan/

例句 Examples

We learned experimental design in biology class.
我们在生物课上学习了实验设计。

A good experimental design uses random assignment and controls confounding variables to test the hypothesis fairly.
良好的实验设计会使用随机分配并控制混杂变量,以更公平地检验假设。

词源 Etymology

experimental 来自 experiment(实验),源于拉丁语 experimentum,含“尝试、检验”之意;design 源于拉丁语 designare,有“标记、规划、构思”的意思。合在一起,“experimental design”字面即“为实验所做的规划与安排”,在统计学与科学方法论中发展为专门术语。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Ronald A. Fisher:《The Design of Experiments》(《实验设计》)
  • Douglas C. Montgomery:《Design and Analysis of Experiments》(《实验的设计与分析》)
  • Donald T. Campbell & Julian C. Stanley:《Experimental and Quasi-Experimental Designs for Research》(《研究的实验与准实验设计》)
  • Judea Pearl, Madelyn Glymour & Nicholas P. Jewell:《Causal Inference in Statistics: A Primer》(《统计中的因果推断:入门》)
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