CVLA assigns CEFR-J levels to words based on 8 textual features using the CEFR-J Wordlist. The level of the input text is determined based on 6 features, with the minimum and maximum values excluded to ensure stable results. For more details, please read our paper. If you have any questions or suggestions, please send your feedback via this form. CVLA2.0 is available here.
This website is created by Satoru UCHIDA (kyudai.uchida.lab[at]gmail.com).
Uchida, S., & Negishi, M. (2018) Assigning CEFR-J levels to English texts based on textual features. In Y. Tono and H. Isahara (eds.) Proceedings of the 4th Asia Pacific Corpus Linguistics Conference (APCLC 2018), pp. 463-467. [PDF]
内田諭・根岸雅史(2021)「英語読解教材のCEFRレベルの推定 : CVLAの妥当性評価」Journal of Corpus-based Lexicology Studies, 3, pp.1-14. [Link]
Uchida S., & Neigishi, M. (to appear) Estimating the CEFR-J level of English reading passages: Development and accuracy of CVLA3『英語コーパス研究』32. [Link]
Feburary 9, 2025: CVLA 3.0 released.
October 23, 2024: CVLA 3.0 beta released.