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| Affidabilità inter-rater (kappa di Cohen e ICC)× | Coefficiente Kappa di Cohen× | |
|---|---|---|
| Campo≠ | Psicometria | Statistica |
| Famiglia≠ | Latent structure | Hypothesis test |
| Anno di origine≠ | 1960 (kappa); 1979 (ICC) | 1960 |
| Ideatore≠ | Cohen (kappa, 1960); Shrout & Fleiss (ICC, 1979) | Jacob Cohen |
| Tipo≠ | Reliability / agreement analysis | Inter-rater reliability coefficient |
| Fonte seminale | Cohen, J. (1960). A Coefficient of Agreement for Nominal Scales. Educational and Psychological Measurement, 20(1), 37–46. DOI ↗ | Cohen, J. (1960). A Coefficient of Agreement for Nominal Scales. Educational and Psychological Measurement, 20(1), 37–46. DOI ↗ |
| Alias≠ | inter-rater reliability, interrater agreement, rater agreement, Değerlendiriciler Arası Güvenilirlik (Cohen's κ, ICC) | kappa coefficient, kappa statistic, Cohen's Kappa (Değerlendiriciler Arası Uyum) |
| Correlati≠ | 6 | 3 |
| Sintesi≠ | Interrater reliability quantifies the degree to which two or more independent raters produce consistent scores when evaluating the same individuals or products. The family encompasses Cohen's kappa, introduced in 1960 for categorical judgments, and the Intraclass Correlation Coefficient (ICC) for continuous ratings, together spanning most measurement scenarios encountered in behavioral, health, and educational research. | Cohen's kappa (κ) is a statistical measure of inter-rater reliability for categorical classifications, introduced by Jacob Cohen in 1960. Unlike simple percent agreement, kappa corrects for the level of agreement that would be expected purely by chance, making it the standard metric when two raters independently assign observations to the same set of mutually exclusive categories. |
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