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Hiebert, Elfrieda H.; Goodwin, Amanda P.; Cervetti, Gina N. – Reading Research Quarterly, 2018
This study addresses the distribution of words in texts at different points of schooling. The first aim was to identify a core vocabulary that accounts for the majority of the words in texts through the lens of morphological families. Results showed that 2,451 morphological families, averaging 4.61 members, make up the core vocabulary of school…
Descriptors: Vocabulary, Morphology (Languages), Developmental Stages, Child Development
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Mercer, Neil; Wegerif, Rupert; Dawes, Lyn – British Educational Research Journal, 1999
Evaluates a teaching program called TRAC (Talk, Reasoning, and Computers) that is used for scaffolding children's effective use of language as a tool for reasoning and collaborative activity. Finds that using the TRAC program can increase the amount of exploratory talk used by children working together in the classroom. (CMK)
Descriptors: Child Development, Child Language, Foreign Countries, Group Activities