| 斯皮尔曼 Rho | N1 | N2 | N3 | N4 | N5 |
| N1 | 1 | 0.404** | 0.457** | 0.359** | 0.502** |
| N2 |
| 1 | 0.607** | 0.532** | 0.567** |
| N3 |
|
| 1 | 0.603** | 0.705** |
| N4 |
|
|
| 1 | 0.652** |
| N5 |
|
|
|
| 1 |