Table 2. Statistical summary for individual speakers predicting the degree of reduction when the Korean suffix [-nɨn] is attached to the verbs

	β	t-value	p-value
(Intercept)	0.312	19.218	<0.001
F2	–0.101	–4.213	<0.001
F3	–0.135	–5.532	<0.001
F4	–0.122	–5.412	<0.001
F5	–0.164	–6.824	<0.001
M1	–0.137	–6.043	<0.001
M2	–0.127	–5.724	<0.001
M3	–0.074	–3.38	<0.001
M4	–0.163	–7.079	<0.001
M5	–0.124	–5.326	<0.001