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Lexical Frequency Profiles

  1. Batia Laufer

Published Online: 5 NOV 2012

DOI: 10.1002/9781405198431.wbeal0692

The Encyclopedia of Applied Linguistics

How to Cite

Laufer, B. 2012. Lexical Frequency Profiles. The Encyclopedia of Applied Linguistics. .

Publication History

  1. Published Online: 5 NOV 2012


How do we know that people use rich and sophisticated vocabulary in their writing? Laufer and Nation (1995) proposed that the vocabulary richness of a text could be measured by a quantitative index called the lexical frequency profile (LFP) which uses the proportion of frequent versus nonfrequent vocabulary in the text.


  • esl/efl;
  • research methods in applied linguistics;
  • second language acquisition;
  • corpus;
  • evaluation;
  • vocabulary