correlational

a. relating to or employing correlation

correlational 可以拆分为 cor-（共同）+ relate（关联）+ -ional（形容词后缀），意思是“有关联的”。

例句

1. The study shows a correlational relationship between exercise and happiness.

研究显示锻炼与幸福感之间存在相关关系。

2. Researchers found a correlational link between education levels and income.

研究人员发现教育水平与收入之间存在相关联系。

3. There is a correlational effect of sleep quality on academic performance.

睡眠质量对学业表现有相关影响。