Moving beyond Kučera and Francis: A critical evaluation of current word frequency norms and the introduction of a new and improved word frequency measure for American English

  title={Moving beyond Ku{\vc}era and Francis: A critical evaluation of current word frequency norms and the introduction of a new and improved word frequency measure for American English},
  author={M. Brysbaert and B. New},
  journal={Behavior Research Methods},
  • M. Brysbaert, B. New
  • Published 2009
  • Computer Science, Medicine
  • Behavior Research Methods
  • Word frequency is the most important variable in research on word processing and memory. Yet, the main criterion for selecting word frequency norms has been the availability of the measure, rather than its quality. As a result, much research is still based on the old Kučera and Francis frequency norms. By using the lexical decision times of recently published megastudies, we show how bad this measure is and what must be done to improve it. In particular, we investigated the size of the corpus… CONTINUE READING
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