科研之友
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摘要
Accurate and precise measurement is an important issue in any study and in any scientific area. Weighted kappa, proposed by J. Cohen (Weighted kappa: Nominal scale agreement with provision for scaled disagreement or partial credit, Psychological Bulletin 70, 213-220, 1968) is the most common and widely preferred coefficient for measuring agreement between two ordinally measured categorical variables. This article presents an alternative agreement coefficient between ordinal categorical measurements. The proposed coefficient takes values between 0 and 1. Therefore, the interpretation and the calculation of the proposed coefficient are also very simple. An SPSS Syntax program for the proposed coefficient and the weighted kappa is presented.
- 出版日期2010-3
