Table A2. Results of linear mixed-effects models on the spatial displacement of the lip aperture

	Estimate	SE	df	t-value	Pr (>[t])
(intercept)	0.396	0.109	498.00	3.643	0.000298**
CC [pp]	0.022	0.154	498.00	0.144	0.885498
Vowel [ii]	–0.797	0.154	498.00	–5.179	<3.24e-07***
SR [fast]	–0.059	0.158	498.00	–0.375	0.707800
CC [pp] : V [ii]	–0.075	0.218	498.00	–0.344	0.730716
CC [pp] : SR[fast]	0.343	0.220	498.00	1.557	0.120116
V [ii] : SR [fast]	–0.272	0.220	498.00	–1.234	0.217691