| Summary: | 碩士 === 國立高雄師範大學 === 英語學系 === 99 === Within the framework of Optimality Theory (Prince and Smolensky 1993, McCarthy and Prince 1993), this thesis reanalyzes the problem of illegitimate vowel clusters in Paiwan as a response to Lu (2003), and compares the strategies to resolving vowel clusters between Paiwan and Isbukun Bunun. Rather than re-ranking Lu (2003) employs, a fixed ranking is proposed in our thesis to account for various modifications of differently-situated vowel sequences: *VV, MAX-IO, OCP [Place], DEP-MPH >> UNIFORMITY-IO >> V-Nuc >> DEP-IO. Generally speaking, Paiwan invokes Glide Gemination to satisfy *VV due to the lowest DEP-IO. When the vowel cluster takes place within the morpheme, the choice of DEP-IO is challenged by DEP-MPH, contributing to the adoption of the second lowest constraint V-Nuc, that is, Glide Formation. As two adjacent vowels are identical, Vowel Merger is observed, which disobeys the third lowest constraint UNIFORMITY-IO; it is because OCP [Place], weighing as heavily as *VV, is fatally violated by Glide Gemination and Glide Formation. Isbukun Bunun resorts to the same strategies as Paiwan unless non-identical vowel sequences occur morpheme-externally, for DEP-IO in Isbukun Bunun dominates UNIFORMITY-IO and V-Nuc.
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