| | Scale | Definition | Description |
| | (1, 1, 1) | Equally important, EI | The importance of both comparative alternatives is equal | | (1, 2, 3) | Intermediate values, IV | Need to compromise between EI and WI | | (2, 3, 4) | Weakly important, WI | Experience and judgment weakly tend to prefer one alternative | | (3, 4, 5) | Intermediate values, IV | Need to compromise between WI and SI | | (4, 5, 6) | Strongly important, SI | Experience and judgment strongly tend to prefer one alternative | | (5, 6, 7) | Intermediate values, IV | Need to compromise between SI and DI | | (6, 7, 8) | Demonstrably important, DI | Experience and judgment demonstrably tend to prefer one alternative | | (7, 8, 9) | Intermediate values, IV | Need to compromise between DI and AI | | (9, 9, 9) | Absolutely important, AI | Experience and judgment absolutely tend to prefer one alternative |
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