Chen, X. B., & Meurers, D. (2018). Word frequency and readability: Predicting the text-level readability with a lexical-level attribute. Journal of Research in Reading. 41 (3), 486-510. http://onlinelibrary.wiley.com/doi/10.1111/1467-9817.12121/full

Chen, X. B., & Meurers, D. (2017). Challenging learners in their individual zone of proximal development using pedagogic developmental benchmarks of syntactic complexity. In E. Volodina, I. Pilán, L, Borin, G, Grigonyte, & K, Björkenstam (Eds.), Proceedings of the Joint 6th Workshop on NLP for Computer Assisted Language Learning and 2nd Workshop on NLP for Research on Language Acquisition at NoDaLiDa 2017, Gothenburg, Sweden, 22 May (pp. 8-17). Linköpings: Linköping University Electronic Press.

Chen, X. B., & Meurers, D. (2016). CTAP: A Web-based tool supporting automatic complexity analysis. In D. Brunato, F. Dell'Orletta, G. Venturi, T. François, & P. Blache (Eds.), Proceedings of the Computational Linguistics for Linguistic Complexity Workshop at the 26th International Conference on Computational Linguistics (COLING 2016), Osaka, Japan, 11 December (pp. 113-119). The International Committee on Computational Linguisitcs.

Chen, X. B., & Meurers, D. (2016). Characterizing text difficulty with word frequencies. In J. Tetreault, J. Burstein, C. Leacock, & H. Yannakoudakis (Eds.), Proceedings of the 11th Workshop on Innovative Use of NLP for Building Educational Applications (BEA) , San Diego, USA, 16 June (pp. 84-94). Association for Computational Linguistics.

Chen, X. B. (2013). Tablets for informal language learning: Student usage and attitudes. Language Learning & Technology, 17(1), 20-36.

Chen, X. B. (2013). A review of mobile assisted language learning Journal of South China University of Technology (Social Science Edition), 15(1), 114-119. (in Chinese)

Chen, X. B. (2012). The MALL: Where Language Learning Takes Place Anytime Anywhere. In M. Kuek, H. Yang, & R. Zhao (Eds.), Proceedings of 2012 International Symposium : Educational Research and Educational Technology, Hefei, China, 7-8 April (pp. 462-466). St. Plum-Blossom Press.

Chen, X. B. (2011). Multimedia for listening comprehension: A test of the Integrated Model of SLA with Multimedia. Overseas English, 11(9), 145-148. (in Chinese)