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  • Title: On the assimilation-discrimination relationship in American English adults' French vowel learning.
    Author: Levy ES.
    Journal: J Acoust Soc Am; 2009 Nov; 126(5):2670-82. PubMed ID: 19894844.
    Abstract:
    A quantitative "cross-language assimilation overlap" method for testing predictions of the Perceptual Assimilation Model (PAM) was implemented to compare results of a discrimination experiment with the listeners' previously reported assimilation data. The experiment examined discrimination of Parisian French (PF) front rounded vowels /y/ and /oe/. Three groups of American English listeners differing in their French experience (no experience [NoExp], formal experience [ModExp], and extensive formal-plus-immersion experience [HiExp]) performed discrimination of PF /y-u/, /y-o/, /oe-o/, /oe-u/, /y-i/, /y-epsilon/, /oe-epsilon/, /oe-i/, /y-oe/, /u-i/, and /a-epsilon/. Vowels were in bilabial /rabVp/ and alveolar /radVt/ contexts. More errors were found for PF front vs back rounded vowel pairs (16%) than for PF front unrounded vs rounded pairs (2%). Overall, ModExp listeners did not perform more accurately (11% errors) than NoExp listeners (13% errors). Extensive immersion experience, however, was associated with fewer errors (3%) than formal experience alone, although discrimination of PF /y-u/ remained relatively poor (12% errors) for HiExp listeners. More errors occurred on pairs involving front vs back rounded vowels in alveolar context (20% errors) than in bilabial (11% errors). Significant correlations were revealed between listeners' assimilation overlap scores and their discrimination errors, suggesting that the PAM may be extended to second-language (L2) vowel learning.
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