Scale value

meaning

Specific instructions

0.5

Equally important

Comparing two factors, equally important

0.6

Slightly important

The former factor is slightly more important than the latter factor

0.7

Obviously important

The former factor is obviously more important than the latter factor

0.8

Much more important

The former factor is much more important than the latter factor

0.9

Extremely important

The former factor is more important than the latter factor

0.1 - 0.4

On the contrary

Comparison of two factors r i j = 1 r j i