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Two-year-old phonology: impact of input, motor and cognitive abilities on development*

Published online by Cambridge University Press:  07 December 2009

BARBARA DODD  and
BETH McINTOSH
BARBARA DODD*
Affiliation:
Queensland University Centre for Clinical Research
BETH McINTOSH
Affiliation:
Queensland University Centre for Clinical Research
*
Address for correspondence: Queensland University Centre for Clinical Research, Royal Brisbane & Women's Hospital, Herston, 4029, Queensland, Australia. e-mail: bdodd@somc.uq.edu.au
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Abstract

Previous research has rarely compared the contributions of different underlying abilities to phonological acquisition. In this study, the auditory-visual speech perception, oro-motor and rule abstraction skills of 62 typically developing two-year olds were assessed and contrasted with the accuracy of their spoken phonology. Measures included auditory-visual speech perception, production of isolated and sequenced oro-motor movements, and verbal and non-verbal rule abstraction. Abilities in all three domains contributed to phonological acquisition. However, the use of atypical phonological rules was associated with lower levels of phonological accuracy and a linear regression indicated that this measure of rule abstraction had greater explanatory power than the measures of input processing and output skill.

Type
Articles
Information
Journal of Child Language , Volume 37 , Issue 5 , November 2010 , pp. 1027 - 1046
Copyright
Copyright © Cambridge University Press 2009

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Footnotes

[*]

We thank the children, parents and childcare centres who participated in the study. Dr Peter O'Rourke's advice on statistical analyses is gratefully acknowledged. The research was supported by the Australian Research Council.

References

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