Table 2. Differences in movement variables between Australian and conventional serve tactics regarding players’ levels.

Players’ levels	Movement variables	Serve tactic formation						p	d
		Australian			Conventional
		M	Mn	SD	M	Mn	SD
High level	Server’s distance to the net (m)	5.12	5.17	.60	5.04	5.04	.55
	Time between serve and return stroke impacts (s)	1.22	1.2	.19	1.22	1.2	.20
	Server’s distance to the side wall (m)	3.60	3.7	.60	3.45	3.58	.61	**	.25
	Server’s maximum velocity (m/s)	3.21	3.23	.34	2.69	2.69	.35	**	1.51
	Distance covered by server (m)	2.97	2.93	.54	2.48	2.44	.51	**	.93
Beginner	Server’s distance to the net (m)	6.11	6.03	1.29	6.54	6,75	1.27	**	.34
	Time between serve and return stroke impacts (s)	1.45	1.4	.26	1.42	1.4	.24
	Server’s distance to the side wall (m)	3.72	3.72	.46	3.63	3.68	.53
	Server’s maximum velocity (m/s)	2.43	2.48	.81	1.74	1.52	.75	**	.88
	Distance covered by server (m)	2.49	2.44	1.11	1.69	1.47	.92	**	.78

Note

* p < .01

** p < .001; d = Effect size.