Table 4 The fundamental preference scale for AHP⁸.

Extreme preference

9

1/9

Very strong to highly preferred

8

1/8

Very strong preference

7

1/7

Strongly to a very strong preference

6

1/6

Strong preference

5

1/5

Moderately to strong preference

4

1/4

Moderately preference

3

1/3

Equally to moderate preference

2

1/2

Equal preference

1

1

Between the two neighboring preferences, mid-values

17/2,15/2,13/2,11/2,9/2,7/2, 5/2, 3/2

2/17,2/15,2/13,2/11, 2/9, 2/7, 2/5, 2/3