[Retracted] Research on Service Quality of International Tourism Cities in the Context of Intelligent Network: A Case Study of Public Transport in Macao

Table 3

Results of validity analysis.

Questionnaire dimension	KMO metrics	Bartlett sphericity test
		Approximate square card	DF	Sig
Questionnaire as a whole	0.839	20665.598	2145	0.000
Service importance	0.912	6346.459	231	0.000
Customer expectation	0.895	5918.714	231	0.000
Customer perceived quality	0.891	4737.087	231	0.000