Table 3 The linguistic comparison terms and their equivalent fuzzy numbers
From: Service quality evaluation of international freight forwarders: an empirical research in East Asia
Fuzzy number | Linguistic scales | Membership function | Inverse |
|---|---|---|---|
Ã1 | Equally important | (1,1,1) | (1,1,1) |
Ã2 | Moderately important | (1,3,5) | (1/5,1/3,1) |
Ã3 | More important | (3,5,7) | (1/7,1/5,1/3) |
Ã4 | Strongly important | (5,7,9) | (1/9,1/7,1/5) |
Ã5 | Extremely important | (7,9,9) | (1/9,1/9,1/7) |