A Hybrid Approach for Evaluating Faulty Behavior Risk of High-Risk Operations Using ANP and Evidence Theory

Table 7

Comparison of the weight calculation results of safety index.

First-class indicator	Weight	Second-class indicators	Accident statistical weights	Normalized weights	Weights within the index set	Normalized weights of ANP	Weighted ranking
A Organizational influences	0.121	A1 Organization structure and responsibility	0.603	0.0752	0.4056	0.0663	5
		A2 Safety investment	0.291	0.0342	0.2928	0.0478	9
		A3 Safety laws and regulations	0.106	0.0128	0.3015	0.0493	8
B Unsafe supervision	0.309	B1 Education and training	0.365	0.1128	0.6620	0.0493	7
		B2 Safety supervision, inspection, and acceptance	0.327	0.101	0.3653	0.0218	17
		B3 Risk monitoring	0.275	0.084	0.1262	0.0227	12
		B4 Emergency rescue	0.019	0.0059	0.0352	0.0218	16
		B5 Accident report, investigation, and treatment	0.014	0.0043	0.0071	0.0013	18
C Preconditions for unsafe acts	0.391	C1 Operating environment	0.184	0.0719	0.1416	0.0448	10
		C2 Technical measurements	0.234	0.0915	0.1629	0.0547	6
		C3 Team management	0.237	0.0927	0.2849	0.0349	11
		C4 Personal basic situation	0.288	0.1126	0.3368	0.2244	1
		C5 Occupational health	0.005	0.0011	0.0061	0.0224	13
		C6 Mechanical equipment	0.038	0.0149	0.0230	0.0224	14
		C7 Material	0.016	0.0062	0.0448	0.0224	15
D Unsafe acts of operators	0.179	D1 Perception and decision errors	0.283	0.0506	0.3596	0.0780	4
		D2 Skill-based errors	0.287	0.0514	0.2192	0.1375	2
		D3 Violation operations	0.43	0.0769	0.4211	0.1130	3