Tetrachoric correlation coefficient
四分相关系数
🧩 词语组成解析
四项的
coefficient
[,koɪ'fɪʃnt]
n. 系数;（测定某种质量或变化过程的）率;程度;协同因素;
adj. 共同作用的;合作的;
co共同+ef出+fici做+ent...的 → co共同+efficient做出来=有效的 → 一起有效的 → 系数
🗣️ 情景例句
How often do you go running?
你多久跑步锻炼一次？
He snatched the purse and the ladder, and ran away.
他抢了手提袋和梯子，逃走了。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。