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Table 5 Scale of relative importance of elements. (Source: Authors)
From: Port selection based on customer questionnaire: a case study of German port selection
Scale | Meaning |
|---|---|
1 | Two elements are equally important |
3 | Compared with the two elements, the former is slightly more important than the latter. |
5 | Compared with the two elements, the former is more important than the latter. |
7 | Compared with the two elements, the former is obviously more important than the latter. |
9 | Compared with the two elements, the former is absolutely more important than the latter. |
2,4,6,8 | Intermediate value of the above adjacent judgment |
Reciprocal | If element i is aij compared to element j, element j is 1/ aij compared to element i. |