| Definition | Weight Index |
| Equally important | 1 |
| Equally or slightly more important | 2 |
| Slightly more important | 3 |
| Slightly to much more important | 4 |
| Much more important | 5 |
| Much to far more important | 6 |
| Far more important | 7 |
| Far more important to extremely more important | 8 |
| Extremely more important | 9 |