Table 4.

Changes of UDVA.

Group (N)	Pre-test (T1)	Mid-test (T2)	Post-test (T3)	F-value	P-value	ηp2
1 s (39)	4.76 ± 0.29	4.81 ± 0.32a	4.87 ± 0.32ab	7.675	< 0.05	0.94
3 s (38)	4.73 ± 0.26	4.79 ± 0.27a	4.87 ± 0.30ab	11.262	< 0.05	0.132
5 s (38)	4.76 ± 0.31	4.80 ± 0.30	4.87 ± 0.31ab	6.383	< 0.05	0.79
Control group (38)	4.77 ± 0.31	4.72 ± 0.31a	4.68 ± 0.32a	5.485	0.05	0.69
F-value	0.124	0.636	3.695
P-value	>0.05	>0.05	< 0.05
ηp2	0.002	0.013	0.069

p < 0.05 when “a” was compared with T₁; p < 0.05 when “b” was compared with T₂.