Table 1 Scale values and their meanings
Scale | Meaning |
|---|---|
1 | The two comparison elements are equally important |
3 | The former element is slightly more important than the latter |
5 | The former element is more important than the latter |
7 | The former element is much more important than the latter |
9 | The former element is definitely more important than the latter |
2, 4, 6, 8 | The important degree is between that of the above scales |
Reciprocal | If the importance ratio of element i and element j is, then the importance ratio of element j and element i is |