| Scales for pairwise comparisons | |||
| Intensity of importance | Verbal judgment of preference | ||
| 1 | Equal importance | ||
| 3 | Moderate importance | ||
| 5 | Strong importance | ||
| 7 | Very strong importance | ||
| 9 | Extreme importance | ||
| 2, 4, 6, 8 | Intermediate values between adjacent scale values | ||