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Academic Paper


Title: A long-term predictive validity study: Can the CDI Short Form be used to predict language and early literacy skills four years later?
Author: Dilara Deniz Can
Institution: University of Washington
Author: Marika Ginsburg-Block
Institution: University of Delaware
Author: Roberta Michnick Golinkoff
Email: click here TO access email
Homepage: http://copland.udel.edu/~roberta/
Institution: University of Delaware
Author: Kathy Hirsh-Pasek
Institution: Temple University
Linguistic Field: Applied Linguistics; Language Acquisition
Abstract: This longitudinal study examined the predictive validity of the MacArthur Communicative Developmental Inventories-Short Form (CDI-SF), a parent report questionnaire about children's language development (Fenson, Pethick, Renda, Cox, Dale & Reznick, ). Data were first gathered from parents on the CDI-SF vocabulary scores for seventy-six children (mean age=1 ; 10). Four years later (mean age=6 ; 1), children were assessed on language outcomes (expressive vocabulary, syntax, semantics and pragmatics) and code-related skills, including phonemic awareness, word recognition and decoding skills. Hierarchical regression analyses revealed that early expressive vocabulary accounted for 17% of the variance in picture vocabulary, 11% of the variance in syntax, and 7% of the variance in semantics, while not accounting for any variance in pragmatics in kindergarten. CDI-SF scores did not predict code-related skills in kindergarten. The importance of early vocabulary skills for later language development and CDI-SF as a valuable research tool are discussed.

CUP AT LINGUIST

This article appears IN Journal of Child Language Vol. 40, Issue 4, which you can READ on Cambridge's site or on LINGUIST .



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