Enhanced bimodal distributions facilitate the learning of second language vowels

This study addresses the questions of whether listening to a bimodal distribution of vowels improves adult learners’ categorization of a difficult L2 vowel contrast and whether enhancing the acoustic differences between the vowels in the distribution yields better categorization performance. Spanish...

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Veröffentlicht in:The Journal of the Acoustical Society of America 2011-10, Vol.130 (4), p.EL206-EL212
Hauptverfasser: Escudero, Paola, Benders, Titia, Wanrooij, Karin
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container_title The Journal of the Acoustical Society of America
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creator Escudero, Paola
Benders, Titia
Wanrooij, Karin
description This study addresses the questions of whether listening to a bimodal distribution of vowels improves adult learners’ categorization of a difficult L2 vowel contrast and whether enhancing the acoustic differences between the vowels in the distribution yields better categorization performance. Spanish learners of Dutch were trained on a natural bimodal or an enhanced bimodal distribution of the Dutch vowels /ɑ/ and /aː/, with the average productions of the vowels or more extreme values as the endpoints respectively. Categorization improved for learners who listened to the enhanced distribution, which suggests that adults profit from input with properties similar to infant-directed speech.
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subjects Acoustic Stimulation
Adult
Analysis of Variance
Audiometry, Speech
Biological and medical sciences
Discrimination (Psychology)
Female
Fundamental and applied biological sciences. Psychology
Humans
Language
Learning
Male
Middle Aged
Multilingualism
Phonetics
Production and perception of spoken language
Psychoacoustics
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Speech Acoustics
Speech Intelligibility
Speech Perception
Young Adult
title Enhanced bimodal distributions facilitate the learning of second language vowels
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