the /s/~/z/ voice contrast in L1 French, L1 Spanish and L1 Italian learners of L2 English


In this study we present a comparative corpus-based analysis of the English /s - z/ voice contrast for three L1 groups of learners. The acoustic analysis of periodicity and duration for target segments confirms expectations based on L1 transfer and on the Markedness Differential Hypothesis. We found that, due to the absence of phonemic /z/ in Spanish, L1 Spanish learners exhibit great difficulty in producing voiced realisations for /z/, and more so in word-final (more marked) position than in word-medial (less marked) position. In contrast, L1 French and L1 Italian learners did not exhibit difficulties in reproducing the voicing patterns of English /s/ ~ /z/ neither word-medially nor word-finally, due to the existence of these sounds in their L1 (and despite differences in relative markedness for these two positions, especially considering that word-final /z/ does not exist in Italian). Finally, we observed effects of orthography on L1 French and L1 Italian learners’ productions, affecting the periodicity of /s/ and /z/ depending on the transparency of spelling.

Language, Interaction and Acquisition
Leonardo Contreras Roa
Leonardo Contreras Roa
Maître de conférences en phonologie anglaise

Phonéticien et enseignant d’anglais, Docteur en linguistique


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