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What is ‘word understanding’ for the parent of a one-year-old? Matching the difficulty of a lexical comprehension task to parental CDI report*

  • SUZY STYLES (a1) and KIM PLUNKETT (a1)

Abstract

Is parental report of comprehension valid for individual words? If so, how well must an infant know a word before their parents will report it as ‘understood’? We report an experiment in which parental report predicts infant performance in a referent identification task at 1 ; 6. Unlike in previous research of this kind (i.e. Houston-Price, Mather & Sakkalou, 2007), infants saw items only once, and image pairs were taxonomic sisters. The match between parental report and infant behaviour provides evidence of the item-level accuracy of both measures of lexical comprehension, and informs our understanding of how British parents interpret standardized Communicative Development Inventories (CDIs).

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Corresponding author

Address for Correspondence: Suzy Styles, Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford, OX1 3UD, UK. e-mail: suzy.styles@psy.ox.ac.uk

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[*]

This research was supported by a Clarendon Fund Bursary to Suzy Styles, and grants to Kim Plunkett from the ESRC (Grant No. RES-000-23-1322) and the Leverhulme Trust. The authors would like to thank the staff of the John Radcliffe Hospital for their ongoing support.

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References

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What is ‘word understanding’ for the parent of a one-year-old? Matching the difficulty of a lexical comprehension task to parental CDI report*

  • SUZY STYLES (a1) and KIM PLUNKETT (a1)

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