. Author manuscript; available in PMC: 2013 Jan 18.

Published in final edited form as: J Speech Lang Hear Res. 2010 Aug 10;53(5):1206–1219. doi: 10.1044/1092-4388(2010/09-0083)

Table 3.

Paired sample t tests for phonetic specification.

Speech task comparison	Difference in displacement in mm M (SE)	t(9)	Difference in vowel distance in Hz M (SE)	t(9)
Slow vs. typical	6.29 (1.29)	4.88^**	466 (59.36)	7.85^**
Slow vs. loud	4.76 (1.18)	4.02^**	388 (62.53)	6.19^**
Slow vs. fast	8.44 (0.99)	8.54^**	610 (58.59)	4.73^**
Loud vs. fast	3.69 (0.49)	7.41^**	220 (55.63)	1.83^*
Loud vs. typical	1.53 (0.41)	3.70^**	77 (37.08)	2.09
Typical vs. fast	2.16 (0.48)	4.50^**	143 (48.13)	1.40

p < .05.

^**

p < .01.