Percent agreement is the share of units on which coders give identical codes, with no correction for chance or for how often each category is used. It can look excellent while chance-corrected coefficients such as alpha or kappa stay low, especially for rare categories.
- Entry typeKey concept
- Category of its source unitMeasurement & Assessment Instruments
- DomainEvidence & Evaluation
What these mean
Editorial orientation · Entry type
Key concept
Key concepts are the working vocabulary of the field: the terms that the models and tools rely on and that a decision about communication has to use precisely. Each entry defines the term and sends you to the brief or the self-guided audit where it is put to work.
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.