[Retracted] A Study on Students’ Satisfaction with Classroom Teaching of Independent Adult Universities Based on SERVQUAL and IPA Models, Taking Beijing Haidian Adult University as an Example

Table 2

The test result of reliability and validity of the questionnaire.

Dimension		Cronbach α			KMO
	Index number	Expectations (E)	Actual perceived value (P)	Importance (W)	Expectations (E)	Actual perceived value (P)	Importance (W)
Tangibility	4	0.884	0.863	0.852	0.821	0.822	0.785
Reliability	4	0.943	0.952	0.944	0.855	0.855	0.865
Assurance	6	0.966	0.968	0.962	0.909	0.931	0.901
Empathy	3	0.937	0.939	0.929	0.769	0.766	0.761
Practicability	3	0.941	0.911	0.932	0.748	0.760	0.765