Effect of Word Complexity on L2 Vocabulary Learning Kevin Dela Rosa author Maxine Eskenazi author 2011-06 text Proceedings of the Sixth Workshop on Innovative Use of NLP for Building Educational Applications Joel Tetreault editor Jill Burstein editor Claudia Leacock editor Association for Computational Linguistics Portland, Oregon conference publication dela-rosa-eskenazi-2011-effect https://aclanthology.org/W11-1409/ 2011-06 76 80