Lexical Diversity of Czech L2 Texts at Different Proficiency Levels

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61988987%3A17250%2F25%3AA2603C9Q" target="_blank" >RIV/61988987:17250/25:A2603C9Q - isvavai.cz</a>
Result on the web
<a href="https://glottometrics.iqla.org/427-lexical-diversity-of-czech-l2-texts-at-different-proficiency-levels/" target="_blank" >https://glottometrics.iqla.org/427-lexical-diversity-of-czech-l2-texts-at-different-proficiency-levels/</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.53482/2025_59_427" target="_blank" >10.53482/2025_59_427</a>

Result language
angličtina
Original language name
Lexical Diversity of Czech L2 Texts at Different Proficiency Levels
Original language description
The study valuates how lexical diversity differs across language proficiency levels (A1-C1 accord-ing to the CEFR). The material used in the research comes from the CzeSL-SGT learner corpus belonging to the Czech National Corpus. This dataset contains more than 8,000 Czech texts writ-ten by non-native speakers of different proficiency levels. Moving Average Type-Token Ratio (MATTR) is used to calculate lexical diversity in this study. The results indicate that lexical di-versity increases with writers' proficiency. There is also a significant difference between the devel-opment of lexical diversity of Slavic and non-Slavic native speakers.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
60203 - Linguistics

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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