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Overview of linear and squared weighted Kappa coefficients as measures of interrater reliability (re-training 1 and 2 was performed during the course of the study).
| No. of training | Mean of linear weighted Kappa coefficients | Mean of square weighted Kappa coefficients |
|---|---|---|
| 1 (Initial training) | 0.82 | 0.91 |
| 2 (Retraining 1) | 0.84 | 0.93 |
| 3 (Retraining 2) | 0.83 | 0.92 |
