Table 3.

Comparison of saccadic amplitudes in go trials and stop trials for single-response and dual-response conditions.

	Single response			Dual response
	Amplitude:		U-test	Amplitude:		U-test
	Go	Stop	p(2-tailed)	Go	Stop	p(2-tailed)
CS	17.9 > 15.2°		p < 0.001	18.0 > 15.6°		p < 0.001
DS	19.0 > 17.0°		p < 0.001	18.8 > 18.0°		p < 0.001
EH	19.6 > 18.1°		p < 0.001	18.5 > 18.1°		p = 0.002
IM	19.6 > 19.3°		n.s.	19.8 > 19.8°		n.s.
IW	19.3 > 19.0°		p = 0.026	18.3 > 18.0°		n.s.
SW	18.7 > 17.5°		p < 0.001	18.7 > 17.9°		p < 0.001
	Amplitude:		T-test	Amplitude:		T-test
	Go	Stop	p(1-tailed)	Go	Stop	p(1-tailed)
GM	19.0 > 17.7°		p = 0.009	18.7 > 17.9°		p = 0.037

GM, grand mean.