Comprehensive Risk Evaluation in the Long-Term Operation of Urban Subway Based on Multiple Indices

Table 1

Comparison between the traditional and new questionnaires (Lyu et al. 2020).

Type	Traditional questionnaire	New questionnaire
Basic theory	Pairwise comparison	Pairwise comparison
Consulting process	Pairwise comparison	Assign score to each factor
Large number of factors	Complex	Simple
Consistency of judgment	Inconsistency may exist	Consistency can be guaranteed by trial calculation