. Author manuscript; available in PMC: 2006 Jan 27.

Published in final edited form as: J Acoust Soc Am. 2005 Aug;118(2):1072–1088. doi: 10.1121/1.1940508

TABLE II.

Results of simple effects analysis (for each age group separately) for phoneme boundaries, cop/cob stimuli presented in quiet and in noise at 0-dB SNR. Degrees of freedom were 1,80 for all effects.

	Noise		Formant Offsets		Noise×formant offsets
	F	p	F	p	F	p
Adults	2.41	NS	252.03	<0.001	0.06	NS
8-year-olds	3.27	=0.074	169.81	<0.001	0.76	NS
6-year-olds	1.80	NS	245.16	<0.001	0.31	NS
4-year-olds	1.88	NS	212.30	<0.001	0.04	NS