Table 1.

Average estimates of d′ across listeners are provided for each age group and masker condition. Standard deviations of the mean (SD) and range of d′ estimates across listeners are also provided for each dataset.

Infants				Children				Adults
Masker	d′	SD	Range	Masker	d′	SD	Range	Masker	d′	SD	Range
Shaped Noise	1.05	0.49	0.52-1.46	Shaped Noise	1.69	0.32	1.09-2.30	Shaped Noise	1.50	0.16	1.34-1.82
Two-Talker	0.83	0.34	0.39-1.22	Two-Talker	1.72	0.25	1.16-2.00	Two-Talker	1.81	0.19	1.47-2.03