Table 1 The value of relative importance

1.0

C_j − 1 is the same importance as C_j

1.1

Between the same and slightly more important

1.2

C_j − 1 is slightly more important than C_j

1.3

Between slightly more and more important

1.4

C_j − 1 is more important than C_j

1.5

Between more and strongly more important

1.6

C_j − 1 is strongly more important than C_j

1.7

Between strongly more and extremely more important

1.8

C_j − 1 is extremely more important than C_j