Children's use of interventions to learn causal structure

T. McCormack, N. Bramley, C. Frosch, F. Patrick, D. Lagnado

Research output: Contribution to journalArticlepeer-review

Abstract

Children between 5 and 8. years of age freely intervened on a three-variable causal system, with their task being to discover whether it was a common cause structure or one of two causal chains. From 6 or 7. years of age, children were able to use information from their interventions to correctly disambiguate the structure of a causal chain. We used a Bayesian model to examine children's interventions on the system; this showed that with development children became more efficient in producing the interventions needed to disambiguate the causal structure and that the quality of interventions, as measured by their informativeness, improved developmentally. The latter measure was a significant predictor of children's correct inferences about the causal structure. A second experiment showed that levels of performance were not reduced in a task where children did not select and carry out interventions themselves, indicating no advantage for self-directed learning. However, children's performance was not related to intervention quality in these circumstances, suggesting that children learn in a different way when they carry out interventions themselves.
Original languageEnglish
Pages (from-to)1-22
Number of pages22
JournalJournal of Experimental Child Psychology
Volume141
Early online date22 Aug 2015
DOIs
Publication statusPublished - 2016

Keywords

  • Bayes theorem
  • child
  • child development
  • decision making
  • female
  • human
  • male
  • physiology
  • preschool child
  • problem based learning
  • procedures

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