Scaling r

Definition

Description (compared the two elements)

0.5

Equally important

Equally important

0.6

Slightly important

An element is a little more important than another

0.7

Obviously important

One element is more important than another

0.8

very important

One element is very important than another element

0.9

Extremely important

One element is more important than the other

0.1, 0.2, 0.3, 0.4

Inverse comparison

If the element a i , a j is compared to r i j ,

Then the element a j , a i is compared to r j i = 1 r i j