Samples from non-normal bivariate distributions are simulated and the densities of the sample product-moment correlation coefficient, r, estimated and compared with the corresponding normal theory ...

This is a preview. Log in through your library . Abstract The need to quantify agreement between two raters or two methods of measuring a response often arises in research. Kappa statistics ...

Once the ranks for the two variables are found, we apply the formula for the correlation to the ranks as follows: Both Spearman’s rank and Pearson’s correlation tests share the purpose of assessing ...