Table 1 Saaty’s scale for Analytical Hierarchy Process (AHP) method57,60.
Intensity of Importance | Definition | Explanation |
|---|---|---|
1 | Equal importance | Two activities contribute equally to the objective |
2 | Weak or slight importance | When compromise is needed |
3 | Moderate importance | Experience and judgment slightly favor one activity over another |
4 | Moderate plus | When compromise is needed |
5 | Strong importance | Experience and judgment strongly favor one activity over another |
6 | Strong plus | When compromise is needed |
7 | Very strong importance | An activity is favored very strongly over another; its dominance is demonstrated in practice |
8 | Very, very strong | When compromise is needed |
9 | Extreme importance | The evidence favoring one activity over another is of the highest possible order of affirmation |
Reciprocals of above | If activity i has one of the above non-zero numbers assigned to it when compared with activity j, then j has the reciprocal value when compared with i |
