| Scale aij | Mean |
| 1 | Equally important |
| 3 | Moderately important |
| 5 | Strongly important |
| 7 | Very strongly important |
| 9 | Extremely important |
|
| Weaker |
|
| Weak |
|
| Strongly weak |
|
| Very strongly weak |
| 8, 6, 4, 2, | Intermediate values |