Table 4. Statistical summary for individual speakers predicting the degree of reduction when the Korean suffix [-nɨn] is attached to the two-syllable roots

β t-value p-value
(Intercept) 0.361 17.836 <0.001
F2 –0.079 0.026 <0.01
F3 –0.119 –4.463 <0.001
F4 –0.116 –6.364 <0.001
F5 –0.171 –6.899 <0.001
M1 –0.139 –4.953 <0.001
M2 –0.181 –7.041 <0.001
M3 –0.111 –4.372 <0.001
M4 –0.201 –7.347 <0.001
M5 –0.138 –5.395 <0.001