Haviland M G
Department of Psychiatry, Loma Linda University School of Medicine, CA 92350.
Stat Med. 1990 Apr;9(4):363-7; discussion 369-83. doi: 10.1002/sim.4780090403.
Despite recommendations to the contrary, medical researchers still routinely use the Yates-corrected chi-square statistic in analyses of 2 x 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.
尽管有相反的建议，但医学研究人员在分析2×2列联表时仍经常使用耶茨校正卡方统计量。研究表明，这些“校正”统计量过于保守，传统的皮尔逊卡方通常能对I型错误概率提供充分控制。本文直接论证了反对使用耶茨连续性校正和费舍尔精确概率检验。
