Scaling | Meaning |
1 | Means to compare two factors with the same importance |
3 | Means to compare two factors, one factor is slightly more important than the other |
5 | Means to compare two factors, one factor is obviously more important than the other |
7 | Means to compare two factors, one factor is more important than the other |
9 | Means to compare two factors, one factor is extremely important than the other |
2, 4, 6, 8 | The median of the above two adjacent judgments |
reciprocal | Judgment aij of the comparison of factors i and j, then the judgment of factors j and i aji = 1/aij |