Hypothesis test
Cohen's Kappa Coefficient
Cohen's kappa (κ) 是一种衡量分类变量间评分者一致性（inter-rater reliability）的统计量，由 Jacob Cohen 于 1960 年提出。它不同于简单的百分比一致性，kappa 修正了仅凭机遇预期会达到的协议水平，使其成为两名评分者独立地将观测值分配到同一组互斥类别时所使用的标准指标。
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来源
- Cohen, J. (1960). A Coefficient of Agreement for Nominal Scales. Educational and Psychological Measurement, 20(1), 37–46. DOI: 10.1177/001316446002000104 ↗
- Landis, J.R. & Koch, G.G. (1977). The Measurement of Observer Agreement for Categorical Data. Biometrics, 33(1), 159–174. DOI: 10.2307/2529310 ↗
如何引用本页
ScholarGate. (2026, June 1). Cohen's Kappa Coefficient of Inter-Rater Agreement. ScholarGate. https://scholargate.app/zh/statistics/cohens-kappa
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