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Concurrent and predictive validity of the Galician CDI*

Published online by Cambridge University Press:  09 March 2010

MIGUEL PÉREZ-PEREIRA*
Affiliation:
University of Santiago de Compostela, Spain
MARIELA RESCHES
Affiliation:
University of Santiago de Compostela, Spain
*
Address for correspondence: Miguel Pérez-Pereira, Departamento de Psicología Evolutiva y de la Educación. Universidad de Santiago de Compostela. 15782 Santiago de Compostela, Spain. e-mail: miguel.perez.pereira@usc.es

Abstract

This paper explores the concurrent and predictive validity of the long and short forms of the Galician version of the MacArthur-Bates CDI (IDHC). Forty-two Galician-speaking children were longitudinally evaluated at age 1 ; 6, 2 ; 0 and 4 ; 0. On the first two occasions, the subjects' vocabulary and grammar skills were assessed through the IDHC. Simultaneously, lexical and grammatical measures were obtained from spontaneous speech samples. Standardized measures of general cognitive abilities (WPPSI-R) and receptive and expressive language (RDLS-III) were obtained at age 4 ; 0. Results showed high and significant levels of concurrent and short-term validity of the IDHC. Strong associations were found between lexical development at age 2 ; 0 and language scores two years later. These results coincide with those obtained with other CDI versions, and suggest that the IDHC is an effective and reliable tool.

Type
Articles
Copyright
Copyright © Cambridge University Press 2010

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Footnotes

[*]

This paper was supported by grant 2005/PX128 from the Galician Autonomic Government, and grant SEJ2005-01511/PSIC from the Ministry of Education and Science of the Spanish Government.

References

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