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The RTR harmonic domain in two dialects of Yorùbá

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Title: The RTR harmonic domain in two dialects of Yorùbá
Author: Perkins, Jeremy
Degree Master of Arts - MA
Program Linguistics
Copyright Date: 2005
Abstract: In this thesis, a process of vowel harmony is explored in two dialects of Yoruba where the tongue-root values of adjacent vowels generally agree. In Standard Yoruba, this process of tongue-root harmony affects only vowels within the prosodic word. However, in Moba Yoruba, tongue-root harmony affects vowels in the class of proclitics in addition to those contained in the prosodic word. It is argued that this difference in the domain of application of tongue-root harmony is captured by defining constraints that refer to different harmonic domains in each dialect. A prosodic domain that dominates the prosodic word, the clitic group, is posited in order to capture this dialectal difference. Three different optimality-theoretic accounts that deal with tongue-root harmony in Standard Yoruba are presented. The ability of these analyses to capture patterns within four dialects of Yoruba (Ekiti, Ife, Moba, and Standard Yoruba) and their general theoretical relevance are the main criteria for evaluation. An account utilizing alignment constraints (Pulleyblank 1996) succeeds in capturing the cross-dialectal patterns of tongue-root harmony in all four dialects of Yoruba, however it relies on the formulation of gradiently evaluated alignment constraints. This is a situation that is theoretically undesirable. An account enforcing stem-control (Bakovic 2000) succeeds in capturing the patterns seen in two of the four dialects. I argue against a basic assumption that this account relies on: that all VCV nouns are morphologically complex. It is shown that if at least some of these nouns are not analyzed as morphologically complex, the stem-control account cannot succeed in capturing the attested pattern of tongue-root harmony in any dialect of Yoruba. Finally, an account that utilizes markedness constraints prohibiting certain featural sequences (Pulleyblank 2002) can capture the pattern seen in Standard Yoruba. An adaptation of this account that includes positional faithfulness is offered to account for Ife, Ekiti and Moba Yoruba. This positional faithfulness account avoids the need to use gradiently evaluated constraints and it does not rely on morphological constituency. Instead, it uses prosodic constituents as domains of reference for OT constraints.
URI: http://hdl.handle.net/2429/16661
Series/Report no. UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]

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