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Updated: Aug 18, 2026

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Published on: April 28, 2016
Learning words through overhearing
N Akhtar1, J Jipson, M A Callanan
1Psychology Department, University of California, Santa Cruz 95064, USA. nakhtar@cats.ucsc.edu
Abstract:
Recent research indicates that toddlers can monitor others' conversations, raising the possibility that they can acquire vocabulary in this way. Three studies examined 2-year-olds' (N = 88) ability to learn novel words when overhearing these words used by others. Children aged 2,6 were equally good at learning novel words-both object labels and action verbs-when they were overhearers as when they were directly addressed. For younger 2-year-olds (2,1), this was true for object labels, but the results were less clear for verbs. The findings demonstrate that 2-year-olds can acquire novel words from overheard speech, and highlight the active role played by toddlers in vocabulary acquisition.
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