Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/129028
Title: Investigating Lexical Progression through Lexical Diversity Metrics in a Corpus of French L3
Authors: Lissón Hernández, Paula José 
Ballier, Nicolas
UNESCO Clasification: 5701 Lingüística aplicada
570111 Enseñanza de lenguas
Keywords: Lexical diversity
Learner corpora
L3 French
Issue Date: 2018
Journal: Discours-Revue De Linguistique Psycholinguistique Et Informatique 
Abstract: This article presents a corpus-based evaluation of 13 lexical diversity metrics as measures of longitudinal progression in written productions of learners of French as third language (L3). Our case study (24 learners, 3 productions per learner in the course of 3 months) deals with a semi-longitudinal corpus, where each of the productions is supposed to be more complex than the previous one. Random forests (Breiman, 2001; Hothorn et al., 2019) are used in order to see whether lexical diversity metric scores capture enough vocabulary diversity progression to predict the production wave. We report that lexical diversity metrics capture lexical progression through the three productions of each student. In particular, two metrics appear to be the most informative for lexical progression: Herdan’s C and Yule’s K.
This article presents a corpus-based evaluation of 13 lexical diversity metrics as measures of longitudinal progression in written productions of learners of French as third language (L3). Our case study (24 learners, 3 productions per learner in the course of 3 months) deals with a semi-longitudinal corpus, where each of the productions is supposed to be more complex than the previous one. Random forests (Breiman, 2001; Hothorn et al., 2019) are used in order to see whether lexical diversity metric scores capture enough vocabulary diversity progression to predict the production wave. We report that lexical diversity metrics capture lexical progression through the three productions of each student. In particular, two metrics appear to be the most informative for lexical progression: Herdan’s C and Yule’s K.
URI: http://hdl.handle.net/10553/129028
ISSN: 1963-1723
DOI: https://doi.org/10.4000/discours.9950
Source: Discours Revue de linguistique, psycholinguistique et informatique. A journal of linguistics, psycholinguistics and computational linguistics [1963-1723], nº 23 (2018) Varia
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