| Kappa value from all citations | 
        No. samples extracted | 
        No. repeated iterations | 
        Average Kappa across citations | 
        Standard error | 
        Bias (%)* | 
       
      
         | 
        50 | 
        1000 | 
        0.65 | 
        0.12 | 
        0.02 | 
       
      
         | 
        100 | 
        1000 | 
        0.66 | 
        0.08 | 
        0.01 | 
       
      
        | 0.67 | 
        200 | 
        1000 | 
        0.66 | 
        0.06 | 
        0.01 | 
       
      | 
  
  
    | *Bias=kappa value from all citations minus average kappa across citations. | 
  
  
    | Table 3: Evaluation of statistical bias on the sampling distributions of Kappa values. |