Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/122325
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Type: Journal article
Title: The development of the size-weight illusion in children coincides with the development of nonverbal cognition rather than motor skills
Author: Chouinard, P.A.
Matheson, K.G.
Royals, K.A.
Landry, O.
Buckingham, G.
Saccone, E.J.
Hocking, D.R.
Citation: Journal of Experimental Child Psychology, 2019; 184:48-64
Publisher: Elsevier
Issue Date: 2019
ISSN: 0022-0965
1096-0457
Statement of
Responsibility: 
Philippe A. Chouinard, Kezia G. Matheson, Kayla A. Royals, Oriane Landry, Gavin Buckingham, Elizabeth J. Saccone, Darren R. Hocking
Abstract: We examined how the strength of the size-weight illusion develops with age in typically developing children. To this end, we recruited children aged 5-12 years and quantified the degree to which they experienced the illusion. We hypothesized that the strength of the illusion would increase with age. The results supported this hypothesis. We also measured abilities in manual dexterity, receptive language, and abstract reasoning to determine whether changes in illusion strength were associated with these factors. Manual dexterity and receptive language did not correlate with illusion strength. Conversely, illusion strength and abstract reasoning were tightly coupled with each other. Multiple regression further revealed that age, manual dexterity, and receptive language did not contribute more to the variance in illusion strength beyond children's abilities in abstract reasoning. Taken together, the effects of age on the size-weight illusion appear to be explained by the development of nonverbal cognition. These findings not only inform the literature on child development but also have implications for theoretical explanations on the size-weight illusion. We suggest that the illusion has a strong acquired component to it and that it is strengthened by children's reasoning skills and perhaps an understanding of the world that develops with age.
Keywords: Child development
Expectancies
Perception
Reasoning
Sensorimotor integration
Size-weight illusion
Rights: 0965/ 2019 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
DOI: 10.1016/j.jecp.2019.03.006
Grant ID: http://purl.org/au-research/grants/arc/DP170103189
http://purl.org/au-research/grants/arc/DE160100042
Appears in Collections:Aurora harvest 4
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