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An Extension of the Random Error Coefficient of Agreement to N x N Tables

Published online by Cambridge University Press:  29 January 2018

Cynthia L. Janes*
Affiliation:
Washington University School of Medicine, Child Development Research Center, 369 North Taylor Avenue, St Louis, Missouri 63108, U.S.A.

Summary

Maxwell has proposed the Random Error Coefficient of Agreement (RE), as a measure of agreement for the binary case based upon the assumption of random distribution of questionable cases. The present paper presents a more general formula for RE's computation and shows how the new form is applicable to cases with more than two response categories.

Type
Papers
Copyright
Copyright © Royal College of Psychiatrists, 1979 

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References

Cohen, J. A. (1960) Coefficient of agreement for nominal scales. Educational and Psychological Measurement, 20, 3746.Google Scholar
Maxwell, A. E. (1977) Coefficients of agreement between observers and their interpretation. British Journal of Psychiatry, 130, 7983.Google Scholar
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