[Retracted] Swimming Training Evaluation Method Based on Convolutional Neural Network

Table 2

Reliability test of the questionnaire 7-point service quality survey scale.

Dimension	Number of items	Crobach’s alpha value
Effectiveness	7	0.83
Reliability	6	0.78
Responsiveness	4	0.66
Safety	3	0.75
Empathy	6	0.63