Vocabulary size matters: The assimilation of second-language Australian English vowels to first-language Japanese vowel categories

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VOCABULARY SIZE IS ASSOCIATED WITH SECOND-LANGUAGE VOWEL PERCEPTION PERFORMANCE IN ADULT LEARNERS (2011, methodology): “Three tokens of each vowel were selected for the perceptual study from each of those three speakers on the basis of similar intonation pattern and speaking rate, which yielded a total of 162 individual tokens (for acoustic details of these vowels, see Bundgaard-Nielsen et al., 2011 ).”
Individual differences in L2 acquisition of English phonology: The relation between cognitive abilities and phonological processing☆ (2015, background): “…correction reveals that no correlation was significant, indicating that if L2 vocabulary size helps process L2 input as has been argued previously (see Bundgaard-Nielsen et al., 2011; Majerus et al., 2008), the relationship is not very strong in our case, and did not relate to segmental perception.”
REEXAMINING EFFECTS OF FORM-FOCUSED INSTRUCTION ON L2 PRONUNCIATION DEVELOPMENT (2012, background): “…show highly consistent patterns of sound recognition (i.e., assimilation and dissimilation of L2 sounds relative to L1 system: Best & Tyler, 2007 ; Bundgaard-Nielsen et al., 2011 a, 2011b ), and their segmental performance tends to be less subject to the infl uence of lexical factors (Flege,…”