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Vermeer, A. (2001). Breadth and depth of vocabulary in relation to L1/L2 acquisition and frequency of input. Applied Psycholinguistics, 22(2), 217-234. doi: http://dx.doi.org/10.1017/S0142716401002041
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O'Reilly, D. & Vermeer, A.
11 January 2019
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Participants were mono- or bilingual children under the age of 10. ‘Proficiency’ in this article is used only to refer to ‘vocabulary proficiency’.
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O'Reilly, D. & Vermeer, A. (2019). The relationship between L1/L2 vocabulary ‘size/breadth’ and ‘depth’, and word frequency. OASIS Summary of Vermeer, A. (2001) in Applied Psycholinguistics. https://test.oasis-database.org/concern/summaries/zs25x8453?locale=en