[Retracted] Application of Accelerometer to Monitor Students’ Exercise Load in 50 m Round Trip

Table 2

Comparison of psychological quality of athletes before and after the experiment.

		N	Before	After	t
50 m before and after exercise	Pay attention to allocation	12	20.24 ± 2.14	18.61 ± 2.01	1.581	<0.05
	Attention span	12	102.14 ± 10.21	100.24 ± 9.45	1.921	<0.05
	Pay attention to stability	12	15.42 ± 2.04	17.32 ± 2.64	2.037	<0.05
	Attention shift	12	104.32 ± 8.01	106.27 ± 8.24	2.107	<0.05