| R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | ||
R1 | 1 | ||||||||||
R2 | 0.246** | 1 | |||||||||
R3 | 0.343** | 0.445** | 1 | ||||||||
R4 | 0.048 | 0.136** | −0.011 | 1 | |||||||
R5 | 0.203** | 0.306** | 0.333** | 0.245** | 1 | ||||||
R6 | 0.370** | 0.467** | 0.443** | 0.075* | 0.258** | 1 | |||||
R7 | 0.292** | 0.498** | 0.491** | 0.096** | 0.428** | 0.444** | 1 | ||||
R8 | 0.292** | 0.524** | 0.511** | 0.082* | 0.300** | 0.528** | 0.582** | 1 | |||
R9 | 0.378** | 0.452** | 0.562** | 0.067 | 0.322** | 0.519** | 0.517** | 0.620** | 1 | ||