Table 1.

Analysis of effect of a competing stream on the detectability of the attended stream

	3 versus 6.5 Hz	4 versus 7 Hz	7 versus 10.1 Hz
Hit rate	Different	Different	Marginally different
Target condition	p = 0.004	p = 0.0001	p = 0.06
Slow versus fast task	t = 3.93	t = 5.22	t = 2.03
False alarm	Not different	Not different	Marginally different
Opposite condition	p = 0.11	p = 0.26	p = 0.06
Slow versus fast task	t = −1.76	t = −1.17	t = −2.05
False alarm	Not different	Not different	Not different
Null condition	p = 0.14	p = 0.65	p = 0.58
Slow versus fast task	t = −1.6	t = −0.46	t = 0.56
False alarm	Different	Different	Different
Opposite task versus null	p = 0.013	p = 0.01	p = 0.04
Slow task	t = 3.14	t = 2.69	t = 2.2
False alarm	Different	Different	Different
Opposite task versus null	p = 0.03	p = 0.005	p = 0.0003
Fast task	t = 2.5	t = 3.3	t = 4.7