[Retracted] Can Swimming Teaching Prevent Drowning? An Experimental Study of Children in China

Table 3

Time simple effect test.

Group	Knowledge		Skill		Attitude		Behavior
	t		t		t		t
Control group before and after	−0.174	0.864	−0.064	0.949	0.452	0.656	−0.025	0.980
Before and after swimming group	−1.217	0.236	−5.862	0.001	−0.562	0.579	−1.435	0.165
Before and after the teaching group	−4.060	0.001	−5.325	0.001	4.392	0.001	2.201	0.040