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This study investigated the effect of different types of phonetic training on potential changes in the production and perception of English vowels by Arabic learners of English. Forty-six Arabic learners of English were randomly assigned to one of three high variability vowel training programs: Perception training (High Variability Phonetic Training), Production training, and a Hybrid Training program (production and perception training). Pre- and post-tests (vowel identification, category discrimination, speech recognition in noise, and vowel production) showed that all training types led to improvements in perception and production. There was some evidence that improvements were linked to training type: learners in the Perception Training condition improved in vowel identification but not vowel production, while those in the Production Training condition showed only small improvements in performance on perceptual tasks, but greater improvement in production. However, the effects of training modality were complicated by proficiency, with high proficiency learners benefitting more from different types of training regardless of training mode than lower proficiency learners. [ABSTRACT FROM AUTHOR]

Short-term linguistic accommodation has been observed in a number of spoken language studies. The first of its kind in sign language research, this study aims to investigate the effects of regional varieties in contact and lexical accommodation in British Sign Language (BSL). Twenty-five participants were recruited from Belfast, Glasgow, Manchester, and Newcastle and paired with the same conversational partner. Participants completed a "spot-the-difference" task which elicited a considerable amount of contrasting regionally specific sign data in the participant-confederate dyads. Accommodation was observed during the task with younger signers accommodating more than older signers. The results are interpreted with reference to the relationship between language contact and lexical accommodation in BSL, and address how further studies could help us better understand how contact and accommodation contribute to language change more generally.

This study examined whether high-variability auditory training on natural speech can benefit experienced second-language English speakers who already are exposed to natural variability in their daily use of English. The subjects were native French speakers who had learned English in school; experienced listeners were tested in England and the less experienced listeners were tested in France. Both groups were given eight sessions of high-variability phonetic training for English vowels, and were given a battery of perception and production tests to evaluate their improvement. The results demonstrated that both groups learned to similar degrees, suggesting that training provides a type of learning that is distinct from that obtained in more naturalistic situations.

This study aimed to determine the relative processing cost associated with comprehension of an unfamiliar native accent under adverse listening conditions. Two sentence verification experiments were conducted in which listeners heard sentences at various signal-to-noise ratios. In Experiment 1, these sentences were spoken in a familiar or an unfamiliar native accent or in two familiar native accents. In Experiment 2, they were spoken in a familiar or unfamiliar native accent or in a nonnative accent. The results indicated that the differences between the native accents influenced the speed of language processing under adverse listening conditions and that this processing speed was modulated by the relative familiarity of the listener with the native accent. Furthermore, the results showed that the processing cost associated with the nonnative accent was larger than for the unfamiliar native accent. (Contains 5 footnotes, 3 tables and 3 figures.)

This study investigated whether speaker variability in phonetic training benefits vowel learnability by Arabic learners of English. Perception training using High-Variability stimuli in laboratory studies has been shown to improve both the perception and production of Second Language sounds in adults and children and has become the dominant methodology for investigating issues in Second Language acquisition. Less consideration is given to production training, in which Second Language learners focus on the role of the articulators in producing second language sounds. This study aimed to assess the role of speaker variability by comparing the effect of using High-Variability and Low-Variability stimuli for production training in a classroom setting. Forty-six Arabic children aged 9-12 years were trained on 18 Standard Southern British English vowels in five training sessions over two weeks and were tested before and after training on their vowel production and category discrimination. The results indicate that Low-Variability stimuli may be more beneficial for children, however, High-Variability stimuli may alter some phonetic cues. Furthermore, the results suggest that production training may be used to improve the perception and production of Second Language sounds, but also to inform the design of Second Language pronunciation learning programmes and theories of Second Language acquisition. [ABSTRACT FROM AUTHOR]

This study aimed to determine the relative processing cost associated with comprehension of an unfamiliar native accent under adverse listening conditions. Two sentence verification experiments were conducted in which listeners heard sentences at various signal-to-noise ratios. In Experiment 1, these sentences were spoken in a familiar or an unfamiliar native accent or in two familiar native accents. In Experiment 2, they were spoken in a familiar or unfamiliar native accent or in a nonnative accent. The results indicated that the differences between the native accents influenced the speed of language processing under adverse listening conditions and that this processing speed was modulated by the relative familiarity of the listener with the native accent. Furthermore, the results showed that the processing cost associated with the nonnative accent was larger than for the unfamiliar native accent. Keywords: speech comprehension, native accents, nonnative accents, adverse listening conditions

The present study investigated the perception and production of English/w/and/v/by native speakers of Sinhala, German, and Dutch, with the aim of examining bow their native language phonetic processing affected the acquisition of these phonemes. Subjects performed a battery of tests that assessed their identification accuracy for natural recordings, their degree of spoken accent, their relative use of place and manner cues, the assimilation of these phonemes into native-language categories, and their perceptual maps (i.e., multidimensional scaling solutions) for these phonemes. Most Sinhala speakers had near-chance identification accuracy, Germans ranged from chance to 100% correct, and Dutch speakers had uniformly high accuracy. The results suggest that these learning differences were caused more by perceptual interference than by category assimilation; Sinhala and German speakers both have a single native-language phoneme that is similar to English/w/and/v/, but the auditory sensitivities of Sinhala speakers make it harder for them to discern the acoustic cues that are critical to/w/-/v/categorization. Keywords: category assimilation, perceptual interference, second-language learning, speech perception, plasticity

Recent research has suggested that two linguistic processes are displacing Cockney: the emergence of Multicultural London English (MLE) in inner London and dialect levelling (e.g. Kerswill & Williams 2005). This study investigates firstly whether Cockney phonetic features have 'moved East' to Essex (Fox 2015), and secondly the features' indexicality in relation to place and identity. Fifty-four participants from Debden, an outpost of the Cockney Diaspora, completed a sociolinguistic interview. Vowel measurements were made from a wordlist and passage, and quantitative attitudinal and qualitative data were extracted from a questionnaire and interviews. Overall, changes in identity as a result of social change exceeded linguistic changes, and linguistic labels were not interpreted uniformly across the community. Whilst Cockney variants were largely maintained in young speakers, they were transposed onto an 'Essex' accent. Furthermore, some young women but no young men considered themselves Cockney, likely due to the matrifocal nature of Cockney. (Cockney, phonetic variation and change, dialect levelling, identity, indexicality, gender) [ABSTRACT FROM AUTHOR]

It has long been debated whether speech production and perception remain flexible in adulthood. The current study investigates the effects of language dominance switch in Galician new speakers (neofalantes) who are raised with Spanish as a primary language and learn Galician at an early age in a bilingual environment, but in adolescence, decide to switch to using Galician almost exclusively, for ideological reasons. Results showed that neofalantes pattern with Spanish-dominants in their perception and production of mid-vowel and fricative contrasts, but with Galician-dominants in their realisation of unstressed word-final vowels, a highly salient feature of Galician. These results are taken to suggest that despite early exposure to Galician, high motivation and almost exclusive Galician language use post-switch, there are limitations to what neofalantes can learn in both production and perception, but that the hybrid categories they appear to develop may function as opportunities to mark identity within a particular community. [ABSTRACT FROM AUTHOR]

This study examined whether high-variability auditory training on natural speech can benefit experienced second-language English speakers who already are exposed to natural variability in their daily use of English. The subjects were native French speakers who had learned English in school; experienced listeners were tested in England and the less experienced listeners were tested in France. Both groups were given eight sessions of high-variability phonetic training for English vowels, and were given a battery of perception and production tests to evaluate their improvement. The results demonstrated that both groups learned to similar degrees, suggesting that training provides a type of learning that is distinct from that obtained in more naturalistic situations. [ABSTRACT FROM PUBLISHER]