Table 1. Statistical summary for individual speakers predicting the degree of reduction when the Korean suffix [-nɨn] is attached to the nouns

	β	t-value	p-value
(Intercept)	0.389	14.156	<0.001
F2	–0.05	–1.364	0.17
F3	–0.039	–1.061	0.28
F4	–0.108	–2.914	<0.01
F5	–0.164	–4.303	<0.001
M1	–0.103	–3.094	<0.01
M2	–0.171	–4.854	<0.001
M3	–0.101	–3.077	<0.01
M4	–0.182	–4.676	<0.001
M5	–0.165	–4.120	<0.001