Table 6. Statistical summary for individual speakers predicting the degree of reduction when the Korean suffix [-nɨn] is attached to the four-syllable roots

	β	t-value	p-value
(Intercept)	0.348	10.085	<0.001
F2	–0.027	–0.482	0.62
F3	–0.072	–1.589	0.11
F4	–0.028	–0.578	0.56
F5	–0.137	–2.491	<0.05
M1	–0.078	–1.97	<0.05
M2	–0.136	–3.161	<0.01
M3	–0.059	–1.457	0.14
M4	–0.169	–3.597	<0.001
M5	–0.117	–2.443	<0.05