Margaret Morse Nice
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She noted that 19 three-year-old children averaged vocabularies of 910 words and reaching 3000 by six years. This contradicted an old idea that a labourer had a vocabulary less than 300 words.
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https://en.wikipedia.org/wiki/Margaret_Morse_Nice
#English #vocabulary #children #level910 #year3 #level3000 #year6 #Inli_pasila