Table 1 Descriptive statistics of the ratio of stressed to unstressed vowels for each acoustic cue

	Duration	Pitch	Intensity
English(N=10)	1.675	1.057	1.026
Korean(N=10)	1.396	1.049	1.035
Japanese(N=10)	1.363	1.030	1.025
Taiwanese(N=10)	1.222	1.010	1.000

N, the number of speakers for each group