Fig. 2

Actual difference of Observer OPTION5 between raters over the mean OPTION5 score. While the average difference is slightly less than 10, this difference varies greatly across the mean score, demonstrating non-constant variance
Actual difference of Observer OPTION5 between raters over the mean OPTION5 score. While the average difference is slightly less than 10, this difference varies greatly across the mean score, demonstrating non-constant variance