Computational mechanisms for resolving misunderstandings
- Laura van de Braak, Radboud University, Donders Institute for Brain, Cognition, and Behaviour, Nijmegen, Netherlands
- Mark Blokpoel, Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, Netherlands
- Mark Dingemanse, Centre for Language Studies, Radboud University, Nijmegen, Netherlands
- Ivan Toni, Donders Institute, Radboud University, Nijmegen, Netherlands
- Iris van Rooij, Radboud University, Nijmegen, Netherlands
AbstractImagine discussing yesterday’s dinner with a friend: ‘It wasn't particularly tasty’. Your friend concurs, ‘it was very salty!’ Thinking you were talking about the appetizer (which wasn’t salty at all), you’re forced to reconsider which course your friend was talking about. Was the appetizer salty to her? Was she talking about the main course? People encounter misunderstandings in everyday conversation, yet quickly and seamlessly resolve them. How people do this is an explanatory challenge: the thing being talked about (i.e., the referent) is often not physically present during the conversation. Hence, there’s no easy way for interlocutors to establish common ground via ostensive signaling (e.g., by pointing at the dish). We develop a model of speakers that use pragmatic reasoning to infer the referent inferred by listeners. We explore the performance of this model using agent-based simulated conversations. The results imply necessary and sufficient conditions for successful updating.
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