Benchmarks for kappa (Landis & Koch, 1977)
Kappa |
Strength of Association |
|
0.00 |
Poor |
|
0.01-0.20 |
Slight |
|
0.21-0.40 |
Fair |
|
0.41-0.60 |
Moderate |
|
0.61-0.80 |
Substantial |
|
0.81-1.00 |
Almost Perfect |
|
Reference
Landis, JR and Kock GC (1977) The measurement of observer agreement for categorical data. Biometrics, 33, 159-174.