intraclass correlation

例句：

1. 1.The researchers found a significant intraclass correlation between the two variables.
   研究人员发现两个变量之间存在显著的相关系数。
2. 2. This study aims to investigate the intraclass correlation of different types of materials.
   这项研究旨在调查不同类型材料的内部相关性。
3. 3. The data showed a strong intraclass correlation, suggesting that the results were consistent across different groups.
   数据显示了很强的内部相关性，表明结果在不同组之间是一致的。