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The Danish Communicative Developmental Inventories: validity and main developmental trends



This paper presents a large-scale cross-sectional study of Danish children's early language acquisition based on the Danish adaptation of the MacArthur-Bates Communicative Development Inventories (CDI). Measures of validity and reliability imply that the Danish adaptation of the American CDI has been adjusted linguistically and culturally in appropriate ways which makes it suitable for tapping into Danish children's language acquisition. The study includes 6,112 randomly selected children in the age of 0 ; 8 to 3 ; 0, and results related to the development of early gestures, comprehension and production of words as well as grammatical skills, are presented.


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*Address for correspondence: Dorthe Bleses, Center for Child Language, University of Southern Denmark, Campusvej 55, DK-5230 Odense M. e-mail:


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