"You might think about slightly revising the title”: Identifying Hedges in Peer-tutoring Interactions - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly
Conference Papers Year : 2022

"You might think about slightly revising the title”: Identifying Hedges in Peer-tutoring Interactions

Abstract

Hedges play an important role in the management of conversational interaction. In peertutoring, they are notably used by tutors in dyads (pairs of interlocutors) experiencing low rapport to tone down the impact of instructions and negative feedback. Pursuing the objective of building a tutoring agent that manages rapport with students in order to improve learning, we used a multimodal peer-tutoring dataset to construct a computational framework for identifying hedges. We compared approaches relying on pre-trained resources with others that integrate insights from the social science literature. Our best performance involved a hybrid approach that outperforms the existing baseline while being easier to interpret. We employ a model explainability tool to explore the features that characterize hedges in peer-tutoring conversations, and we identify some novel features, and the benefits of such a hybrid model approach.
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hal-03990509 , version 1 (15-02-2023)

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Yann Raphalen, Chloé Clavel, Justine Cassell. "You might think about slightly revising the title”: Identifying Hedges in Peer-tutoring Interactions. ACL 2022 - 60th Annual Meeting of the Association for Computational Linguistics, Association for Computational Linguistics, May 2022, Dublin, Ireland. pp.2160-2174, ⟨10.18653/v1/2022.acl-long.153⟩. ⟨hal-03990509⟩
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