| K1 | S1 | S2 | S3 | K2 | R |
K1 |
| −0.710** | −0.472* | −0.599** | 0.094 | −0.708** |
S1 | −0.710** |
| 0.613** | 0.0722 | −0.12 | −0.954** |
S2 | −0.472* | 0.613** |
| 0.678** | −0.213 | 0.630** |
S3 | −0.599** | 0.0722 | 0.678** |
| 0.1 | 0.734** |
K2 | 0.094 | −0.12 | −0.213 | 0.1 |
| 0.041 |
R | −0.708** | −0.954** | 0.630** | 0.734** | 0.041 |
|