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WordSmith Tools‘ KeyWords

WordSmith Tools‘ KeyWords. 梁茂成 frank@liang.com.cn. What are keywords? Positive and negative keywords Using Keywords analysis in...... How? Keyness and p value Practice. What are keywords?.

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WordSmith Tools‘ KeyWords

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  1. WordSmith Tools‘ KeyWords 梁茂成 frank@liang.com.cn

  2. What are keywords? • Positive and negative keywords • Using Keywords analysis in...... • How? • Keyness and p value • Practice

  3. What are keywords? A keyword is a word whose relative frequency in an observed corpus is unusually higher or lower than that in a reference corpus.

  4. Positive and negative keywords Positive keywords are words which are unusually more frequent than they are in a reference corpus. In legal documents, for example, words like act, article, penalty, delinquency, etc. are much more frequent than they are in a general corpus.

  5. Positive and negative keywords In a corpus of texts written by corpus linguists, words like type, token, corpus, frequency, concordance, etc. would be much more frequent than they are in a general corpus. In medical texts…… In zoology……

  6. Positive and negative keywords Negative keywords are words which are much less frequent than they are in a reference corpus. underuse

  7. Using KeyWords analysis In lexicography…… In SLA……

  8. How? In order to make a KeyWords analysis with Wordsmith Tools, two wordlists are needed. Wordlists show the frequency profiles of words in a corpus.

  9. Keyness and p value • Keyness and p value indicate the extent to which a word in an observed corpus is more or less frequent than it is in a general corpus.

  10. Now, is “the” overused or underused in Chinese EFL learners’ texts? What is the frequency profile of personal pronouns in Chinese EFL learners’ texts?

  11. 100100 thanks!

  12. Example

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