Modeling Individual Differences in Children's Information Integration During Pragmatic Word Learning.
Manuel Bohn1, Louisa S Schmidt2, Cornelia Schulze2,3
1Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
Open Mind : Discoveries in Cognitive Science
|March 30, 2023
Summary
Computational cognitive models can now predict individual children's pragmatic language use. By analyzing sensitivity to semantic knowledge, speaker informativeness, and common ground, researchers accurately modeled child behavior in a new task.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Computational Linguistics
Background:
- Pragmatics is crucial for language acquisition and use.
- Computational cognitive models excel at predicting aggregate pragmatic behavior in children and adults.
- Predicting individual-level pragmatic behavior using these models remains an open question.
Purpose of the Study:
- To determine if computational cognitive models can predict pragmatic behavior at an individual level in children.
- To investigate individual differences in children's sensitivity to pragmatic cues.
Main Methods:
- Utilized data from four independent tasks to estimate child-specific sensitivity parameters for semantic knowledge, speaker informativeness, and common ground.
- Employed a computational cognitive model incorporating pragmatic cue integration.
- Generated participant-specific, trial-by-trial predictions for a novel task that integrated all three information sources.
Main Results:
- The computational model accurately predicted children's behavior on the majority of trials.
- Individual differences in pragmatic behavior were primarily linked to variations in sensitivity to specific information sources.
Conclusions:
- Computational cognitive models are capable of predicting individual pragmatic behavior in children.
- Sensitivity to pragmatic cues is a key factor in developmental variations in language use.
- This research advances a substantive theory of individual differences in pragmatic development.
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