ChatBack: Investigating Methods of Providing Grammatical Error Feedback in a GUI-based Language Learning Chatbot Kai-Hui Liang author Sam Davidson author Xun Yuan author Shehan Panditharatne author Chun-Yen Chen author Ryan Shea author Derek Pham author Yinghua Tan author Erik Voss author Luke Fryer author 2023-07 text Proceedings of the 18th Workshop on Innovative Use of NLP for Building Educational Applications (BEA 2023) Ekaterina Kochmar editor Jill Burstein editor Andrea Horbach editor Ronja Laarmann-Quante editor Nitin Madnani editor Anaïs Tack editor Victoria Yaneva editor Zheng Yuan editor Torsten Zesch editor Association for Computational Linguistics Toronto, Canada conference publication liang-etal-2023-chatback 10.18653/v1/2023.bea-1.7 https://aclanthology.org/2023.bea-1.7/ 2023-07 83 99