Kappa muddles together two sources of disagreement: Tetrachoric correlation is preferable

Research in Nursing and Health - Tập 16 Số 4 - Trang 313-316 - 1993
T. P. Hutchinson1
1School of Mathematics and Statistics, University of Sydney

Tóm tắt

AbstractWhen assessing agreement between experts, it is important to distinguish between disagreements that can and cannot be explained by different placing of the boundaries between categories. Cohen's kappa statistic is affected by both types of disagreement, tetrachoric correlation only by the second. © 1993 John Wiley & Sons, Inc.

Từ khóa


Tài liệu tham khảo

10.1002/nur.4770150210

Brown M. B., 1977, Algorithm AS116, The tetrachoric correlation and its asymptotic standard error. Applied Statistics, 26, 343

10.1177/001316446002000104

10.1148/52.3.309

Harris B., 1988, Encyclopedia of statistical sciences, 223

Hutchinson T. P., 1990, Continuous bivariate distributions, emphasising applications

10.1093/aje/126.2.161

Pearson K., 1913, Note on the surface of constant association, Biometrika, 9, 534

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Research in Nursing and Health

Tập 16 Số 4

313-316

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