The contributions of language and inhibitory control to false belief reasoning over time

IntroductionThe role of language in false belief reasoning has been much debated for twenty-five years or more, especially the relative contributions of general language development, complement syntax, vocabulary, and executive function. However, the empirical studies so far have fallen short, in th...

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Main Authors: Jill G. de Villiers, Peter de Villiers
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Psychology
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Online Access:https://www.frontiersin.org/articles/10.3389/fpsyg.2024.1455941/full
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author Jill G. de Villiers
Peter de Villiers
author_facet Jill G. de Villiers
Peter de Villiers
author_sort Jill G. de Villiers
collection DOAJ
description IntroductionThe role of language in false belief reasoning has been much debated for twenty-five years or more, especially the relative contributions of general language development, complement syntax, vocabulary, and executive function. However, the empirical studies so far have fallen short, in that they generally have too few participants for adequate statistical modeling; they do not include control variables; or they are cross-sectional rather than longitudinal, making inferences about causal direction much more tenuous.MethodsThe present study considers the role of these different variables in the development of false belief reasoning over several months of testing, with 258 children aged three to five years. The children are also from under-resourced communities, broadening the populations that generally contribute such data.ResultsA cross-sectional and a longitudinal regression analysis reveals the contribution of each variable to the children’s success on the false belief measures. Finally, a structural equation model tests the relative contribution of the different potential factors over time, how they interact, and change. The model is an excellent fit to the data. Inhibitory control, complement comprehension and vocabulary all have effects on false belief reasoning at the first time point (T1). However, at T3, the major proximal contribution is the child’s comprehension of complements, though the longitudinal pathways of vocabulary and inhibitory control also pave the way.DiscussionOur data confirm the specific contribution of complement syntax but also makes clear, as do training studies, that a certain amount of preparedness in vocabulary and in executive function skills is also necessary.
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spelling doaj-art-7eca3c8dc8bf47df96f0293fcb1e4f312025-01-17T15:26:55ZengFrontiers Media S.A.Frontiers in Psychology1664-10782025-01-011510.3389/fpsyg.2024.14559411455941The contributions of language and inhibitory control to false belief reasoning over timeJill G. de VilliersPeter de VilliersIntroductionThe role of language in false belief reasoning has been much debated for twenty-five years or more, especially the relative contributions of general language development, complement syntax, vocabulary, and executive function. However, the empirical studies so far have fallen short, in that they generally have too few participants for adequate statistical modeling; they do not include control variables; or they are cross-sectional rather than longitudinal, making inferences about causal direction much more tenuous.MethodsThe present study considers the role of these different variables in the development of false belief reasoning over several months of testing, with 258 children aged three to five years. The children are also from under-resourced communities, broadening the populations that generally contribute such data.ResultsA cross-sectional and a longitudinal regression analysis reveals the contribution of each variable to the children’s success on the false belief measures. Finally, a structural equation model tests the relative contribution of the different potential factors over time, how they interact, and change. The model is an excellent fit to the data. Inhibitory control, complement comprehension and vocabulary all have effects on false belief reasoning at the first time point (T1). However, at T3, the major proximal contribution is the child’s comprehension of complements, though the longitudinal pathways of vocabulary and inhibitory control also pave the way.DiscussionOur data confirm the specific contribution of complement syntax but also makes clear, as do training studies, that a certain amount of preparedness in vocabulary and in executive function skills is also necessary.https://www.frontiersin.org/articles/10.3389/fpsyg.2024.1455941/fulltheory-of-mindcomplementsstructural equationlanguageinhibitory controllongitudinal
spellingShingle Jill G. de Villiers
Peter de Villiers
The contributions of language and inhibitory control to false belief reasoning over time
Frontiers in Psychology
theory-of-mind
complements
structural equation
language
inhibitory control
longitudinal
title The contributions of language and inhibitory control to false belief reasoning over time
title_full The contributions of language and inhibitory control to false belief reasoning over time
title_fullStr The contributions of language and inhibitory control to false belief reasoning over time
title_full_unstemmed The contributions of language and inhibitory control to false belief reasoning over time
title_short The contributions of language and inhibitory control to false belief reasoning over time
title_sort contributions of language and inhibitory control to false belief reasoning over time
topic theory-of-mind
complements
structural equation
language
inhibitory control
longitudinal
url https://www.frontiersin.org/articles/10.3389/fpsyg.2024.1455941/full
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