東華大學圖書館 |

F0 and Vowel Lengthening in L1 Spanish and L2 French Segmentation /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	F0 and Vowel Lengthening in L1 Spanish and L2 French Segmentation // Alvaro Iturralde Zurita.
作者:	Zurita, Alvaro Iturralde,
面頁冊數:	1 electronic resource (248 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-04, Section: B.
Contained By:	Dissertations Abstracts International86-04B.
標題:	Language. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31527028
ISBN:	9798342114110

F0 and Vowel Lengthening in L1 Spanish and L2 French Segmentation /
Zurita, Alvaro Iturralde,

F0 and Vowel Lengthening in L1 Spanish and L2 French Segmentation /Alvaro Iturralde Zurita. - 1 electronic resource (248 pages)

Source: Dissertations Abstracts International, Volume: 86-04, Section: B.

Previous research on speech and word segmentation has debated the utility of different linguistic and acoustic information proposed as potential cues to word boundaries. Mattys et al. (2005, 2007) argue that semantic or syntactic context is more helpful than phonetic prosody cues like F0 contour or vowel length. However, Tremblay et al. in 2012, 2016, and 2017 have showed that listeners use prosodic cues and that their interpretation varies based on the listener's own experience with them in their native language. The present thesis aimed to contribute to this debate by researching how listeners' experience with F0 and vowel lengthening in their L1 Spanish would carry to their L2 French. Spanish uses these cues for lexical stress and prosodic grouping. We compared it to French, which only presents prosodic grouping.We ran three sets of experiments to test how native Spanish speakers use these prosodic cues in their L1; and how they adapt to a new prosodic configuration in L2 French. We adapted Tremblay et al.'s (2012) experimental paradigm-which investigates how participants use prosodic cues to solve temporal ambiguities in speech-to a 2AFC mouse-tracking listening experiment. For each experiment, we manipulated F0 and vowel lengthening as lexical stress correlates or prosodic grouping correlates.In the first set, we used temporal ambiguities like "Palo marron" and "Paloma roja" to test the use of lexical stress as a word boundary cue. Stress can be used as an early cue, given the different position it has in both options ("PAlo" and "paLOma"). Listeners are better at solving the temporal ambiguities when F0 and lengthening are present than when not. We also found 4 they rely more on F0 than lengthening. In the second set of experiments, we used ambiguities of the type "compre mostazas" and "compremos tazas" following Prieto et al. (2010). In this type of stimuli, sentences are segmentally ambiguous and have the same lexical stress pattern. We found that listener's decisions were influenced by the prosodic cues. When comparing F0 to vowel lengthening, our results were inconclusive.In the third set, we tested prosodic grouping in French. First, we replicated the results of Tremblay et al. (2012) showing that native French listeners make use of both cues to resolve temporal ambiguities. Then, we tested native Spanish listeners in L2 French. To estimate their French language proficiency, they performed a Lexical Decision task. We found L2 learners are also better at resolving ambiguity when presented with prosodic cues than when not. In addition, their overall accuracy improves with higher L2 proficiency. When confronted with the F0 only condition, lower proficiency-scoring participants struggle as much as they do when the cues are neutralized. Listeners with higher L2 proficiency scores are as comfortable with F0 as they are with vowel lengtheningFor all experiments, we found listeners have a clear bias in favour of choosing the longer word on screen, e.g., "Paloma" over "Palo", regardless of language or cue condition. We propose a syllable-by-syllable matching strategy used by participants as the potential cause of this effect. We further discuss how this impacts the experiment and how it relates to the prosodic cue effects.

English

ISBN: 9798342114110Subjects--Topical Terms:

643551
Language.

F0 and Vowel Lengthening in L1 Spanish and L2 French Segmentation /
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520 $a Previous research on speech and word segmentation has debated the utility of different linguistic and acoustic information proposed as potential cues to word boundaries. Mattys et al. (2005, 2007) argue that semantic or syntactic context is more helpful than phonetic prosody cues like F0 contour or vowel length. However, Tremblay et al. in 2012, 2016, and 2017 have showed that listeners use prosodic cues and that their interpretation varies based on the listener's own experience with them in their native language. The present thesis aimed to contribute to this debate by researching how listeners' experience with F0 and vowel lengthening in their L1 Spanish would carry to their L2 French. Spanish uses these cues for lexical stress and prosodic grouping. We compared it to French, which only presents prosodic grouping.We ran three sets of experiments to test how native Spanish speakers use these prosodic cues in their L1; and how they adapt to a new prosodic configuration in L2 French. We adapted Tremblay et al.'s (2012) experimental paradigm-which investigates how participants use prosodic cues to solve temporal ambiguities in speech-to a 2AFC mouse-tracking listening experiment. For each experiment, we manipulated F0 and vowel lengthening as lexical stress correlates or prosodic grouping correlates.In the first set, we used temporal ambiguities like "Palo marron" and "Paloma roja" to test the use of lexical stress as a word boundary cue. Stress can be used as an early cue, given the different position it has in both options ("PAlo" and "paLOma"). Listeners are better at solving the temporal ambiguities when F0 and lengthening are present than when not. We also found 4 they rely more on F0 than lengthening. In the second set of experiments, we used ambiguities of the type "compre mostazas" and "compremos tazas" following Prieto et al. (2010). In this type of stimuli, sentences are segmentally ambiguous and have the same lexical stress pattern. We found that listener's decisions were influenced by the prosodic cues. When comparing F0 to vowel lengthening, our results were inconclusive.In the third set, we tested prosodic grouping in French. First, we replicated the results of Tremblay et al. (2012) showing that native French listeners make use of both cues to resolve temporal ambiguities. Then, we tested native Spanish listeners in L2 French. To estimate their French language proficiency, they performed a Lexical Decision task. We found L2 learners are also better at resolving ambiguity when presented with prosodic cues than when not. In addition, their overall accuracy improves with higher L2 proficiency. When confronted with the F0 only condition, lower proficiency-scoring participants struggle as much as they do when the cues are neutralized. Listeners with higher L2 proficiency scores are as comfortable with F0 as they are with vowel lengtheningFor all experiments, we found listeners have a clear bias in favour of choosing the longer word on screen, e.g., "Paloma" over "Palo", regardless of language or cue condition. We propose a syllable-by-syllable matching strategy used by participants as the potential cause of this effect. We further discuss how this impacts the experiment and how it relates to the prosodic cue effects.
520 $a Des recherches anterieures sur la segmentation de la parole et des mots ont debattu de l'utilite de differentes informations linguistiques et acoustiques proposees comme indices potentiels des limites des mots. Mattys et al. (2005, 2007) soutiennent que le contexte semantique ou syntaxique est plus utile que les indices de prosodie phonetique comme le contour F0 ou la longueur des voyelles. Cependant, Tremblay et al. (2012, 2016 et 2017) ont montre que les auditeurs utilisent des indices prosodiques et que leur interpretation varie en fonction de la propre experience de l'auditeur avec eux dans sa langue maternelle. La presente these visait a contribuer a ce debat en recherchant comment l'experience des auditeurs avec la F0 et l'allongement des voyelles dans leur espagnol L1 se repercuterait sur leur francais L2. L'espagnol utilise ces indices pour l'accent tonique lexical et le regroupement prosodique. Nous l'avons compare au francais, qui ne presente que des regroupements prosodiques.Nous avons mene trois series d'experiences pour tester comment les locuteurs natifs espagnols utilisent ces signaux prosodiques dans leur L1 ; et comment ils s'adaptent a une nouvelle configuration prosodique en francais L2. Nous avons adapte le paradigme experimental de Tremblay et al. (2012), qui etudie la maniere dont les participants utilisent des indices prosodiques pour resoudre les ambiguites temporelles de la parole, a une experience d'ecoute 2AFC avec le suivi de la trajectoire de la souris. Pour chaque experience, nous avons manipule la F0 et l'allongement des voyelles en tant que correlats d'accent tonique ou correlats de regroupement prosodique.Dans la 1ere serie, nous avons utilise des ambiguites temporelles telles que « Palo marron » et « Paloma roja » pour tester l'utilisation de l'accent tonique comme indice de limite de mot. L'accent tonique peut etre utilise comme signal precoce, etant donne sa position differente dans les deux options (« PALo » et « paLOma »). Les auditeurs reussissent mieux a resoudre les ambiguites temporelles lorsque la F0 et l'allongement sont presents que lorsqu'ils ne le sont pas. Nous avons egalement constate qu'ils s'appuient davantage sur la F0 que sur l'allongement. Dans la 2emeserie, nous avons utilise des ambiguites du type « compre mostazas » et « compremos tazas » a la suite de Prieto et al. (2010). Dans ce type de stimuli, les phrases sont completement ambigues au niveau du segment et ont le meme schema d'accentuation lexical. Nous avons constate que les decisions des auditeurs etaient influencees par les signaux prosodiques. En comparant F0 a l'allongement des voyelles, nos resultats n'etaient pas concluants.Dans la 3emeserie, nous avons teste le regroupement prosodique en francais. Premierement, nous avons reproduit les resultats de Tremblay et al. (2012) montrant que les auditeurs francais natifs utilisent les deux indices pour resoudre les ambiguites temporelles. Ensuite, nous avons teste des auditeurs natifs de l'espagnol en francais L2. Pour estimer leur maitrise de la langue francaise, ils ont effectue une tache de decision lexicale. Nous avons constate que les apprenants de L2 reussissent a mieux resoudre les ambiguites lorsqu'on leur presente des indices prosodiques que lorsqu'ils ne le sont pas. De plus, leur precision globale s'ameliore avec une maitrise plus elevee de la L2. Lorsqu'ils sont confrontes a la condition de la F0, les participants ayant un score de competence inferieur ont autant de difficultes que lorsque les signaux sont neutralises. Les auditeurs ayant des scores de competence L2 plus eleves sont aussi a l'aise avec la F0 qu'avec l'allongement des voyelles.Pour toutes les experiences, nous avons constate que les auditeurs ont clairement tendance a choisir le mot le plus long a l'ecran, par exemple « Paloma » plutot que « Palo », quelle que soit la langue ou la condition du signal. Nous proposons une strategie de correspondance syllabe par syllabe utilisee par les participants comme cause potentielle de cet effet. Nous discutons en outre de l'impact de cela sur l'experience et de son lien avec les effets de signaux prosodiques.
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