A Study of Safety Coefficient Determination and Support Parameter Optimization Based on Vulnerability Preevaluation

Table 18

1–9 scaling method.

The ratio of factors	Quantized values	The ratio of factors	Quantized values
Equally important	1	Highly important	7
Somewhat important	3	Extremely important	9
Important stronger	5	Intermediate value between two adjacent judgments	2, 4, 6, 8