##  [Cohen's Kappa](/index.php/cohens-kappa) 

  ##  [Cohen's Kappa](https://health.quantumdictionary.io/cohens-kappa-0) 

  

 [![Health & Life Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Health%20%26%20Life%20Sciences.png.webp?itok=yyyaiQOY)](/index.php/topic-specific-dictionaries/health-life-sciences)



**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A chance‑corrected measure of inter‑rater agreement for two raters classifying items into categorical outcomes; it compares observed agreement to expected agreement under statistical independence of raters and typically ranges from −1 to 1, where 0 indicates agreement no better than chance.