Using dictionaries to estimate vocabulary size: essential, but rarely followed, procedures

  title={Using dictionaries to estimate vocabulary size: essential, but rarely followed, procedures},
  author={Paul Nation},
  journal={Language Testing},
  pages={27 - 40}
  • P. Nation
  • Published 1 March 1993
  • Linguistics
  • Language Testing
This article describes the steps that need to be followed when sampling from a dictionary to make a test of vocabulary size. Because these steps have not been followed, most published estimates of vocabulary size are misleading. 

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