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<div><font size="2" face="Tahoma">Dear Maja</font></div>
<div><font size="2" face="tahoma">I have proposed a measure based on indices of lexical richness, which can be used with children as well as adults.</font></div>
<div><font size="2" face="tahoma">This article will appear next year in the International Journal of Bilingualism.</font></div>
<div><font size="2" face="tahoma"></font> </div>
<div><font size="2" face="tahoma">Treffers-Daler, J. (in press) Operationalising and measuring language dominance.</font></div>
<div><font size="2" face="tahoma"></font> </div>
<div><font size="2" face="tahoma">Can send you an advance copy if you're interested.</font></div>
<div><font size="2" face="tahoma"></font> </div>
<div><font size="2" face="tahoma">best wishes</font></div>
<div><font size="2" face="tahoma">Jeanine</font></div>
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<span lang="EN-US"><font size="3" face="Times New Roman">Abstract</font></span></p>
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<span lang="EN-US"><font size="3" face="Times New Roman">The aim of this article is to show how measures of lexical richness (Guiraud 1954; Malvern, Richards, Chipere and Durán, 2004) can be used to operationalise and measure language dominance among bilinguals.
A typology of bilinguals is proposed based on these measures of lexical richness, and the validity of the typology is then investigated in an empirical study among two groups of bilingual informants with different language dominance profiles (25 Dutch-French
bilinguals from Brussels and 24 French-English bilinguals from Paris). The most important advantage of the proposed operationalisation is that it allows researchers carry out precise measurements of bilingual ability in languages or language varieties for
which no standardised tests exist and that these measures can be calculated on oral data that have been collected in an informal and unobtrusive way, in a naturalistic setting.
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<div><font size="2" face="Tahoma">best wishes</font></div>
<div><font size="2" face="tahoma">Jeanine</font></div>
<div><font size="2" face="Tahoma">=========================</font></div>
<div><font size="2" face="Tahoma">Professor Jeanine Treffers-Daller</font></div>
<div><font size="2" face="tahoma">Professor of Linguistics</font></div>
<div><font size="2" face="tahoma">Department of Languages, Linguistics and Area Studies</font></div>
<div><font size="2" face="tahoma">School of Humanities, Languages and Social Sciences</font></div>
<div><font size="2" face="tahoma">Faculty of Social Science and Humanities</font></div>
<div><font size="2" face="tahoma">Frenchay Campus</font></div>
<div><font size="2" face="tahoma">Coldharbour Lane</font></div>
<div><font size="2" face="tahoma">Bristol</font></div>
<div><font size="2" face="tahoma">BS16 1QY</font></div>
<div><font size="2" face="tahoma">tel. 00-44-117-3282390</font></div>
<div><font size="2" face="tahoma">Room 4D02</font></div>
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<font color="#000000" size="2" face="Tahoma"><b>From:</b> info-childes@googlegroups.com [info-childes@googlegroups.com] On Behalf Of Brian MacWhinney [macw@cmu.edu]<br>
<b>Sent:</b> 25 March 2010 16:31<br>
<b>To:</b> CHILDES<br>
<b>Subject:</b> dominance<br>
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<div>Dear Maja,<br>
<br>
We've proposed using Mean Length Utterance differentials as a measure of language dominance:<br>
<br>
Yip, Virginia and Stephen Matthews. 2007.The Bilingual Child: Early Development and Language Contact. Cambridge University Press. (Ch.3: Methodology)<br>
Yip, Virginia and Stephen Matthews. 2006. Assessing language dominance in<br>
bilingual acquisition: a case for Mean Length Utterance differentials. Language Assessment Quarterly 3: 97-116.<br>
<br>
While absolute MLU comparisons are of questionable validity due to morphological differences between languages and how they are transcribed, MLU differentials can be used effectively to compare different children acquiring the same language pair, or different
stages of development in the same child. In some domains there is evidence that the prevalence of cross-linguistic influence depends on the degree of dominance (see Yip and Matthews 2007: 150 for the case of null objects).<br>
<br>
Virginia <br>
Childhood Bilingualism Research Centre<br>
Department of Linguistics and Modern Languages<br>
Chinese University of Hong Kong<br>
<a href="http://www.cuhk.edu.hk/lin/cbrc/" target="_blank">http://www.cuhk.edu.hk/lin/cbrc/</a><br>
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