Table 3.

p values and effect sizes for group comparisons of saccade performance

Measure	Direction	ANCOVA	CAG− versus Far		Far versus Near		Near versus HD
		p value	p value	Effect size	p value	Effect size	p value	Effect size
Antisaccades
% Errors	Hrz	< 0.0001	0.3	−0.20	0.02	0.59	0.02	0.57
	Vrt	0.0004	0.2	−0.24	0.2	0.27	0.002	0.75
Latency (ms)	Hrz	0.03	0.2	−0.12	0.02	0.56	0.2	0.24
	Vrt	0.0002	0.3	−0.09	0.005	0.71	0.09	0.42
Variability of latency (ms)	Hrz	0.2	NS	0.36	NS	0.07	NS	0.22
	Vrt	0.02	0.07	0.52	0.5	−0.002	0.06	0.40
Memory guided saccades
% Errors	Hrz	0.005	0.5	0.04	0.01	0.56	0.5	0.08
	Vrt	0.04	0.1	0.60	0.2	0.11	0.4	0.19
Latency (ms)	Hrz	0.01	0.4	0.16	0.1	0.29	0.07	0.45
	Vrt	0.05	0.2	−0.20	0.06	0.52	0.1	0.43
Variability of latency (ms)	Hrz	0.1	NS	0.46	NS	0.05	NS	0.10
	Vrt	0.03	0.4	−0.05	0.1	0.30	0.004	0.68

Bolded values indicate effect sizes >0.5

NS indicates that ANCOVA was not significant, precluding further post hoc testing. Hrz horizontal, Vrt vertical