

02 - Michael Frank: The Universals and Variations of Children's Early Language Learning
7 snips Jul 9, 2021
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CDI Data
- The MacArthur Bates Communicative Development Inventories (CDI) offer extensive data on early language learning.
- These checklists, filled out by parents, provide roughly 600 data points per child, including words understood and spoken.
CDI Uses
- The CDI serves as both a research and clinical tool for assessing children's language development.
- While not a diagnostic tool itself, it aids in screening and potential referrals for further assessment.
Variability in Language Learning
- Language development variability is consistent across languages, suggesting it's inherent to language acquisition.
- While average vocabularies at specific ages show similarities, individual children's vocabularies vary significantly within each language.