Cohen’s kappa compares two raters’ observed agreement with an expectation derived from their category usage. Prevalence and marginal differences affect interpretation. Examine the coding design, raw agreement, distribution, and uncertainty together; a favorable coefficient does not establish valid categories or objectively correct judgments.
- FamilyTool
- CategoryMeasurement & Assessment Instruments
- DomainEvidence & Evaluation
What these mean
Editorial orientation · Family
Tool
In this series, Tool names the editorial family primarily used to act on, examine, measure or organize communication. It includes instruments, methods, practices, protocols, codes and institutional arrangements. Membership does not certify effectiveness, portability or safe use in every setting.
Editorial orientation · Category
Measurement & Assessment Instruments
Produces measures, scores, profiles or assessments through defined items, observations or measurement rules. The entry identifies what is measured and the conditions governing interpretation.