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What is inter-annotator agreement?

Inter-annotator agreement is a measure of how often different reviewers give the same label to the same item.

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inter-annotator agreement in AI data

Low agreement signals unclear rubrics or unreliable reviewers.

Type: quality metric.

Where inter-annotator agreement applies on this site

Quick answers

What is inter-annotator agreement?

Inter-annotator agreement is a measure of how often different reviewers give the same label to the same item.

Why does inter-annotator agreement matter in AI data?

Low agreement signals unclear rubrics or unreliable reviewers.