Table 4.

Effects of exergames on student PE learning with different moderating variables.

Coding object	Type	Effect size	SMD	95% CI		Two-tailed test
				Lower limit	Upper limit	Z	P
Stage	Child stage	5	0.44	0.18	0.69	3.37	0.0008
	Elementary school	9	0.40	0.15	0.65	3.14	0.002
	Secondary school	1	0.14	–0.15	0.80	0.42	0.67
Class size	Small class size	13	0.51	0.26	0.77	3.93	< 0.0001
	Medium class size	5	0.24	0.02	0.46	2.15	0.03
Experimental cycle	0–1 month	5	0.47	0.31	0.64	5.54	< 0.00001
	1–2 months	8	0.62	0.30	0.94	3.77	0.0002
	≥ 3 months	5	0.29	-0.01	0.59	1.92	0.05