Logical word learning: The case of kinship

Francis Mollica, Steven T Piantadosi

Research output: Contribution to journalArticlepeer-review

Abstract

We examine the conceptual development of kinship through the lens of program induction. We present a computational model for the acquisition of kinship term concepts, resulting in the first computational model of kinship learning which is closely tied to developmental phenomena. We demonstrate that our model can learn several kinship systems of varying complexity using cross-linguistic data from English, Pukapuka, Turkish and Yanomamö. More importantly, the behavioral patterns observed in children learning kinship terms, under-extension and over-generalization, fall out naturally from our learning model. We then conducted interviews to simulate realistic learning environments and demonstrate that the characteristic-to-defining shift is a consequence of our learning model in naturalistic contexts containing abstract and concrete features. We use model simulations to understand the influence of logical simplicity and children’s learning environment on the order of acquisition of kinship terms, providing novel predictions for the learning trajectories of these words. We conclude with a discussion of how this model framework generalizes beyond kinship terms, as well as a discussion of its limitations.
Original languageEnglish
Pages (from-to)766-799
Number of pages34
JournalPsychonomic Bulletin & Review
Volume29
Issue number3
Early online date16 Dec 2021
DOIs
Publication statusPublished - 3 Jun 2022

Keywords

  • word-learning
  • conceptual development
  • Bayesian modeling

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