Table 1. Results of multiple comparisons of z-scored formant values performed on V₂ levels, within groups and V₁.

Comparison	Estimate	Standard error	z value	Significance
Adults F1V1
/aCi/ vs. /aCa/	-0.122	0.040	-3.027	*
/εCi/ vs. /εCa/	-0.340	0.045	-7.625	***
Adults F2V1
/aCi/ vs. /aCa/	0.370	0.060	6.169	***
/εCi/ vs. /εCa/	0.300	0.059	5.054	***
Children F1V1
/aCi/ vs. /aCa/	-0.018	0.019	-0.969	ns
/εCi/ vs. /εCa/	0.017	0.019	0.902	ns
Children F2V1
/aCi/ vs. /aCa/	0.128	0.029	4.428	***
/εCi/ vs. /εCa/	0.104	0.042	2.498	ns

where ns = nonsignificant

* = p<0.05

** = p<0.01, and

*** = p<0.001