Growth of a Functionally Important Lexicon

  title={Growth of a Functionally Important Lexicon},
  author={Eugene B. Zechmeister and Andrea M. Chronis and William L. Cull and Catherine A. D'Anna and Noreen A. Healy},
  journal={Journal of Literacy Research},
  pages={201 - 212}
The vocabulary size literature currently provides a rather pessimistic view of the role for direct instruction in increasing vocabulary size. A major reason for this pessimism revolves around estimates of the total number of words that individuals know and, hence, the number of words that would have to be taught in order to affect significantly normal vocabulary growth. When vocabulary size is expressed in terms of the number of functionally important words in the lexicon, however, estimates of… 

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What vocabulary size is needed toread unsimplified texts for pleasure?

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