Table 2 Scheme for translation of survey response scores into Saaty numerical ratings
Scale | Point difference in scores of pairwise comparison variables | Numerical rating (Saaty value) | Reciprocal |
|---|---|---|---|
Extremely preferred | 8 | 9 | 1/9 |
Very strong to extremely | 7 | 8 | 1/8 |
Very strongly preferred | 6 | 7 | 1/7 |
Strongly to very strongly | 5 | 6 | 1/6 |
Strongly preferred | 4 | 5 | 1/5 |
Moderately to strongly | 3 | 4 | 1/4 |
Moderately preferred | 2 | 3 | 1/3 |
Equally to moderately | 1 | 2 | 1/2 |
Equally preferred | 0 | 1 | N/A |