Table 5. Statistical summary for individual speakers predicting the degree of reduction when the Korean suffix [-nɨn] is attached to the three-syllable roots

	β	t-value	p-value
(Intercept)	0.338	11.244	<0.001
F2	–0.048	–1.293	0.19
F3	0.005	0.129	0.89
F4	–0.073	–1.801	0.07
F5	–0.121	–2.987	<0.01
M1	–0.083	–1.974	<0.05
M2	–0.134	–3.601	<0.001
M3	–0.111	–2.943	<0.01
M4	–0.172	–4.140	<0.001
M5	–0.114	–2.790	<0.01