Cohens Kappa Two Rater
Calculator
Observed agreement
0.78
Results
- Observed agreement
- 0.78
- Expected agreement by chance
- 0.5
- Cohen's kappa (κ)
- 0.56
Academic results
| Observed agreement | 0.78 |
| Expected agreement by chance | 0.5 |
| Cohen's kappa (κ) | 0.56 |
formula-map diagram
- Observed agreement
- 0.78
- Expected agreement by chance
- 0.5
- Cohen's kappa (κ)
- 0.56
Formula breakdown
Formula
κ = (Pₒ − Pₑ) ÷ (1 − Pₑ)= 0.78
Note
This is a simplified model. Grading rules, credit systems and statistical assumptions vary by institution and study design; check your syllabus, registrar or methods guide before relying on these figures.