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Coco, Moreno I., Smith, Guiditta, Spelorzi, Roberta and Garraffa, Maria 
ORCID: https://orcid.org/0000-0003-1767-424X
(2024)
Moving to continuous classifications of bilingualism through machine learning trained on language production.
Bilingualism-Language and Cognition.
ISSN 1366-7289
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Abstract
Recent conceptualisations of bilingualism are moving away from strict categorisations, towards continuous approaches. This study supports this trend by combining empirical psycholinguistics data with machine learning classification modelling. Support vector classifiers were trained on two datasets of coded productions by Italian speakers to predict the class they belonged to (“monolingual”, “attriters” and “heritage”). All classes can be predicted above chance (>33%), even if the classifier's performance substantially varies, with monolinguals identified much better (f-score >70%) than attriters (f-score <50%), which are instead the most confusable class. Further analyses of the classification errors expressed in the confusion matrices qualify that attriters are identified as heritage speakers nearly as often as they are correctly classified. Cluster clitics are the most identifying features for the classification performance. Overall, this study supports a conceptualisation of bilingualism as a continuum of linguistic behaviours rather than sets of a priori established classes.
| Item Type: | Article |
|---|---|
| Additional Information: | Data availability statement: The data and script to illustrate the analysis supporting the findings of this study are available in Open Science Framework at https://osf.io/w24p3/. |
| Uncontrolled Keywords: | attrition,bilingualism,classification,heritage speakers,support vector machine,education,language and linguistics,linguistics and language,sdg 17 - partnerships for the goals,4* ,/dk/atira/pure/subjectarea/asjc/3300/3304 |
| Faculty \ School: | Faculty of Medicine and Health Sciences > School of Health Sciences |
| UEA Research Groups: | Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 26 Mar 2024 11:30 |
| Last Modified: | 25 Sep 2024 17:43 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/94759 |
| DOI: | 10.1017/S1366728924000361 |
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