Table 1 Index interval number scale
Natural language description | Scale interval \(\tilde{\varvec{a}}_{{{\varvec{ij}}}}\) |
|---|---|
Equal important | \(\left[ {c^{ - 1} ,c^{1} } \right] = \left[ {0.760,1.316} \right]\) |
Slightly important | \(\left[ {c^{1} ,c^{3} } \right] = \left[ {1.316,2.280} \right]\) |
Obvious important | \(\left[ {c^{3} ,c^{5} } \right] = \left[ {2.280,3.948} \right]\) |
Very important | \(\left[ {c^{5} ,c^{7} } \right] = \left[ {3.948,6.839} \right]\) |
Extremely important | \(\left[ {c^{7} ,c^{9} } \right] = \left[ {6.839,11.845} \right]\) |
Intermediate grades | \(\left[ {c^{0} ,c^{2} } \right], \left[ {c^{2} ,c^{4} } \right], \left[ {c^{4} ,c^{6} } \right], \left[ {c^{6} ,c^{8} } \right]\) |