Table 2. Judgment basis and influence degree.

Judgments based	Degree of influence
	Small(0)	Middle(0.5)	High(1)
Working Experience (0.4)	0	0.2	0.4
Theoretical analysis (0.3)	0	0.15	0.3
Peer understanding (0.2)	0	0.1	0.2
Intuition (0.1)	0	0.05	0.1
Total	0	0.5	1