Weighted kappa: Nominal scale agreement provision for scaled disagreement or partial credit.
Jacob Cohen
Abstract
A previously described coefficient of agreement for nominal scales, kappa, treats all disagreements equally. A generalization to weighted kappa (Kw) is presented. The Kw provides for the incorpation of ratio-scaled degrees of disagreement (or agreement) to each of the cells of the k * k table of joi
Topics & Concepts
KappaScale (ratio)AgreementCohen's kappaStatisticsLevel of measurementEconometricsPsychologyActuarial scienceMathematicsEconomicsPhysicsGeometryLinguisticsPhilosophyQuantum mechanicsReliability and Agreement in MeasurementDelphi Technique in ResearchMeta-analysis and systematic reviews