Table 8.

Mean difference in phoneme identification scores (in percent correct) between processing channel conditions for 15, 30 and 60 dB/octave filter slopes. Statistically significant differences are indicated by bold font.

	Difference (in percent correct)
	12 channels – 8 channels			15 channels – 8 channels			15 channels – 12 channels
	Filter slope (dB/octave)			Filter slope (dB/octave)			Filter slope (dB/octave)
	15	30	60	15	30	60	15	30	60
Vowels
Adults	8.38	6.68	8.75	5.65	6.03	9.46	-2.72	-0.65	0.71
Children (13-17 yrs)	--	4.27	9.19	--	4.69	9.92	--	0.42	0.73
Children (8-12 yrs)		2.80	4.83		1.94	6.40		-0.86	1.57
Consonants
Adults	1.06	2.39	0.61	1.01	2.86	2.33	-0.04	0.47	1.72
Children (13-17 yrs)	--	0.46	1.67	--	0.79	3.04	--	0.33	1.37
Children (8-12 yrs)		1.61	0.87		3.49	0.23		1.88	-0.65