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Donnelly, P. J., Blanchard, N., Olney, A. M., Kelly, S., Nystrand, M., & D’Mello, S. K. (2017). Words matter: Automatic detection of teacher questions in live classroom discourse using linguistics, acoustics, and context. Proceedings of the Seventh International Learning Analytics & Knowledge Conference, LAK ’17 (pp. 218–227). New York, NY, USA: ACM.