366 Renée van Bezooijen and Vincent J. van Heuven
Figure 15.4 Relative vowel height of /͑i/ onset for 16 male and 16 female speakers.
Individuals are order ed within sexes from left to right in ascending order of
con serva tism (as determined by the relative height of their /͑i/ onsets).
Figure 15.5 Relative magnitude of diphthongization of /͑i/ for 16 male and 16 female
speakers. Individuals are order ed within sexes from left to right in
ascending order of con serva tism (as determined by the magnitude of
diphthongization).