Statistical learning of novel graphotactic constraints in children and adults

Samara, A. and Caravolas, M. (2014) Statistical learning of novel graphotactic constraints in children and adults. Journal of Experimental Child Psychology, 121. pp. 137-155. DOI: 10.1016/j.jecp.2013.11.009

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The current study explored statistical learning processes in the acquisition of orthographic knowledge in school-aged children and skilled adults. Learning of novel graphotactic constraints on the position and context of letter distributions was induced by means of a two-phase learning task adapted from Onishi, Chambers, and Fisher (Cognition, 83 (2002) B13�B23). Following incidental exposure to pattern-embedding stimuli in Phase 1, participants� learning generalization was tested in Phase 2 with legality judgments about novel conforming/nonconforming word-like strings. Test phase performance was above chance, suggesting that both types of constraints were reliably learned even after relatively brief exposure. As hypothesized, signal detection theory d� analyses confirmed that learning permissible letter positions (d� = 0.97) was easier than permissible neighboring letter contexts (d� = 0.19). Adults were more accurate than children in all but a strict analysis of the contextual constraints condition. Consistent with the statistical learning perspective in literacy, our results suggest that statistical learning mechanisms contribute to children�s and adults� acquisition of knowledge about graphotactic constraints similar to those existing in their orthography.

Item Type: Article
Uncontrolled Keywords: Psychology, Developmental
Subjects: Research Publications
Departments: College of Health and Behavioural Sciences > School of Psychology
Date Deposited: 09 Dec 2014 16:30
Last Modified: 23 Sep 2015 02:57
ISSN: 0022-0965
URI: http://e.bangor.ac.uk/id/eprint/319
Identification Number: DOI: 10.1016/j.jecp.2013.11.009
Publisher: Elsevier
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