A note on the attenuation of correlation

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We study the attenuation of a correlation coefficient when one of the underlying measurement variables is categorized. We show that the attenuation depends critically on the distribution of the underlying latent variable, and on the scores assigned to the categories. Practical implications of these results are discussed. 1995 The British Psychological Society

Original languageEnglish (US)
Pages (from-to)271-280
Number of pages10
JournalBritish Journal of Mathematical and Statistical Psychology
Issue number2
StatePublished - Nov 1995
Externally publishedYes

ASJC Scopus subject areas

  • Statistics and Probability
  • Arts and Humanities (miscellaneous)
  • General Psychology


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