Table 4:

4-parameter model output for the /ʃ/-/s/ contrast.

	Parameter	Condition	Estimate	Std. Error	t-statistic	p-value
β1	Range	Normal	1.00	0.03	29.34	< .001
β2		0 mm	−0.08	0.05	−1.71	.09
β3		2 mm	−0.03	0.05	−0.59	.56
β4		4 mm	−0.19	0.05	−3.58	< .001
β5		6 mm	−0.51	0.06	−8.24	< .001
β6	Floor	Normal	0.00	0.02	−0.02	.98
β7		0 mm	0.01	0.02	0.42	.68
β8		2 mm	0.02	0.02	0.90	.37
β9		4 mm	0.15	0.03	5.79	< .001
β10		6 mm	0.43	0.03	12.97	< .001
β11	Slope	Normal	3.01	0.59	5.14	< .001
β12		0 mm	−0.10	0.73	−0.13	.90
β13		2 mm	−0.85	0.66	−1.28	.20
β14		4 mm	−1.27	0.64	−1.98	< .05
β15		6 mm	−1.69	0.68	−2.47	.01
β16	Midpoint Offset	Normal	−5.02	0.04	−113.38	< .001
β17		0 mm	−0.27	0.08	−3.43	< .001
β18		2 mm	−0.13	0.08	−1.56	.12
β19		4 mm	0.39	0.10	3.74	< .001
β20		6 mm	0.83	0.21	4.05	< .001