Scaling | meaning |
1 | Two factors compared to the same importance |
3 | Two factors, one factor is slightly more important than the other |
5 | Two factors compared to one factor are more important than the other |
7 | Two factors compared to one factor are more important than the other |
9 | Two factors compared to one factor are the most important |
2, 4, 6, 8 | The median of the two adjacent judgments |
reciprocal | Factor i and j compared to bij, then the factor j and i compared bji = 1/bij |