[Retracted] Design and Research on the Foul Detector of a Long Jump Jumping Line Based on a Vision Sensor

Table 8

Analysis of the degree of understanding of experimental group 1 and control group 1.

Test content	Group
Are you interested in long jump?	Experimental group 2		20	0.85	0.38
	Control group 2		19	0.85	0.38
Do you understand the rules of the long jump competition?	Experimental group 2		20	0.22	0.79
	Control group 2		19	0.22	0.79