Table 2.

Mean response accuracy (%) in Experiment 2 for younger and older groups.

SNR	Younger (n = 27)						Older (n = 17)						Group difference (p-value)
	AO	AVc	AVi	AVc − AVi	VO2	VO3	AO	AVc	AVi	AVc − AVi	VO2	VO3	AVc − AVi
Low	74	86	43	43	98	91	76	88	34	54	97	82	0.077†
Middle	92	95	78	17			94	95	72	23			0.321
High	99	98	91	7			98	99	81	18			0.018*

SNR, signal-to-noise ratio; AO, auditory-only; AVc, auditory-visual congruent; AVi, auditory-visual incongruent; VO2, visual-only two-alternative choice; VO3, visual-only three alternative choice;

^†p < 0.1;

^*p < 0.05.