Papers by Roeland Van Hout
Phonetica
John Ohala claimed that the source of sound change may lie in misperceptions which can be replica... more John Ohala claimed that the source of sound change may lie in misperceptions which can be replicated in the laboratory. We tested this claim for a historical change of /t/ to /k/ in the coda in the Southern Min dialect of Chaoshan. We conducted a forced-choice segment identification task with CVC syllables in which the final C varied across the segments [p t k ʔ] in addition to a number of further variables, including the V, which ranged across [i u a]. The results from three groups of participants whose native languages have the coda systems /p t k ʔ/ (Zhangquan), /p k ʔ/ (Chaoshan) and /p t k/ (Dutch) indicate that [t] is the least stably perceived segment overall. It is particularly disfavoured when it follows [a], where there is a bias towards [k]. We argue that this finding supports a perceptual account of the historically documented scenario whereby a change from /at/ to /ak/ preceded and triggered a more general merger of /t/ with /k/ in the coda of Chaoshan. While we grant t...
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Dutch journal of applied linguistics, Dec 13, 2021
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Clinical Linguistics & Phonetics, Dec 27, 2021
Speech intelligibility is an essential though complex construct in speech pathology. In this pape... more Speech intelligibility is an essential though complex construct in speech pathology. In this paper, we investigated the interrater reliability and validity of two types of intelligibility measures: a rating-based measure, through Visual Analogue Scales (VAS), and a transcription-based measure called Accuracy of Words (AcW), through two forms of orthographic transcriptions, one containing only existing words (EWTrans) and one allowing all sorts of words, including both existing words and pseudowords (AWTrans). Both VAS and AcW scores were collected from five expert raters. We selected speakers with various severity levels of dysarthria (SevL) and employed two types of speech materials, i.e. meaningful sentences and word lists. To measure reliability, we applied Generalizability Theory, which is relatively unknown in the field of pathological speech and language research but enables more comprehensive analyses than traditional methods, e.g., the intraclass correlation coefficient. The results convincingly indicate that five expert raters were sufficient to provide reliable rating-based (VAS) and transcription-based (AcW) measures, and that reliability increased as the number of raters or utterances increased. Generalizability Theory has proved effective in systematically dealing with reliability issues in our experimental design. We also investigated construct and concurrent validity. Construct validity was addressed by exploring the correlations between VAS and AcW within and across speech materials. Concurrent validity was addressed by exploring the correlations between our measures, i.e. VAS and AcW, and two external measures, i.e. phoneme intelligibility and SevL. The correlations corroborate the validity of VAS and AcW to assess speech intelligibility, both in sentences and word lists.
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De Gruyter eBooks, Dec 31, 1986
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Item does not contain fulltextThe 24th annual conference of the European Second Language Associat... more Item does not contain fulltextThe 24th annual conference of the European Second Language Association, 3 september 201
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Nijmegen : Radboud Universiteit eBooks, 2005
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Symposium on Languages, Applications and Technologies, 2013
Interspeech 2013 Satellite workshop on Speech and Language Technology in Education, 30 augustus 2013
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Amsterdam : John Benjamins eBooks, 2003
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Delft : Eburon eBooks, 2003
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Zenodo (CERN European Organization for Nuclear Research), Jun 9, 2023
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Zenodo (CERN European Organization for Nuclear Research), May 30, 2023
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Journal of Communication Disorders, Mar 1, 2023
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Language Resources and Evaluation, May 1, 2014
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Journal of English as a lingua franca, Sep 1, 2022
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Language Sciences, Mar 1, 2023
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Edinburgh University Press eBooks, Sep 13, 2012
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Papers by Roeland Van Hout