This thesis addresses the ongoing evolution of New Zealand English phonology. In particular it explores the links between phonological variation and the social identities of speakers. The thesis investigates the possible emergence of regional dialects in the ongoing development of the variety. The investigation contributes to theories of dialect development, especially in relation to linguistic varieties described as “postcolonial” English. Since the onset of linguistic research on New Zealand English, scholars have highlighted the remarkable geographical uniformity of the variety. However, recent research concerning the development of postcolonial Englishes suggests that regional diversity is inevitable, but that its occurrence is tied to the construction of sociocultural identities. In this thesis I apply a holistic approach to investigating phonological variation and the construction of regional identities in modern New Zealand English. My aim in this thesis is twofold: firstly, to investigate current trends in 21st century New Zealand English phonology and secondly, to gain insights into the linguistic, social and cultural processes associated with the birth of new regional dialects. I view the ongoing evolution of Englishes as involving a composite of wide-ranging factors from the linguistic, historical, social, cultural and ideological domains. In order to address the full complexities of the issues I track variation and change in one influential and important dimension of English phonological systems: rhoticity. I explore the social life of this variable throughout the history of the English language since the 17th century and investigate in detail its manifestation in the speech of 21st century New Zealand teenagers. I consider evidence for contemporary regional diversification by comparing variation in rhoticity in two distinct New Zealand locations; a small rural community in the lower North Island and a small rural community further north in the central North Island. I take a social constructionist approach, paying close attention to local contexts and speakers‟ constructions of their local identities. Quantitative and qualitative approaches to the analysis of the data are utilised. Observations of general trends in rhoticity in modern New Zealand English are enhanced through the examination of the social meanings underlying individual linguistic behaviour. The findings demonstrate the historical and inherent variability of /r/ and reveal changes underway in modern New Zealand English rhoticity. The findings suggest that change involving linking /r/ is associated with a combination of social identity and attitudinal issues. The analysis of non-pre-vocalic /r/ demonstrates the value of exploring innovative features during their onset of use. The findings suggest that the onset of increasing non-pre-vocalic /r/ use in modern New Zealand English may be involved in the utilisation of globally accessible phonological features in the construction of both locally and globally relevant identities. The thesis identifies geographical mobility, transience and changing ethnolinguistic diversity as key factors in ongoing dialect developments in New Zealand English. It concludes that the emergence of ethnically-based identities may hold significance for the emergence of localised identities. The absence of distinctive regional linguistic varieties reflects the absence of recognised regional identities, but the thesis provides tentative evidence that evolving identity constructions in 21st century New Zealand may fuel regional diversification.
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