Yates's correction for continuity and the analysis of 2 × 2 contingency tables
- 1 April 1990
- journal article
- research article
- Published by Wiley in Statistics in Medicine
- Vol. 9 (4) , 363-367
- https://doi.org/10.1002/sim.4780090403
Abstract
Despite recommendations to the contrary, medical researchers still routinely use the Yates-corrected chisquare statistic in analyses of 2 × 2 contingency tables. Research has shown that these ‘corrected’ statistics are overly conservative and that the conventional Pearson chi-square generally provides adequate control over type I error probabilities. This paper makes a straightforward argument against use of Yates's correction for continuity and Fisher's exact probability test.Keywords
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