Table 2.

The mean d' and RT (in ms) of the lexical tone task for Mandarin (N = 21) and English speakers (N = 32).

	Condition	Mandarin				English
		Congruence		Incongruence		Congruence		Incongruence
		Mean	SD	Mean	SD	Mean	SD	Mean	SD
d′	Clear	4.34	0.79	4.14	0.72	3.48	0.89	3.46	0.99
	Noisy	3.31	0.77	3.26	0.74	2.39	0.93	2.32	1.11
RT	Clear	1,277	57	1,275	60	1,326	108	1,332	110
	Noisy	1,389	98	1,387	103	1,401	133	1,392	124