Robustness of normal test theory for correlation coefficients is at least asymptotically ensured for bivariate distributions satisfying a linearity and a homoscedasticity condition for the null theory ...

What is Pearson correlation test, Pearson product moment correlation or Pearson r? Pearson’s correlation helps us understand the relationship between two quantitative variables when the relationship ...

The product moment correlation coefficient is often used even for ordinal data with only a few scale steps. This procedure may lead to biased results, where the bias depends on the number of scale ...