Calkins, Dick S. “Some Effects of Non-Normal Distribution Shape on the Magnitude of the Pearson Moment Correlation Coefficient”. Revista Interamericana de Psicología/Interamerican Journal of Psychology 8, no. 3 & 4 (July 20, 2017). Accessed May 2, 2024. https://journal.sipsych.org/index.php/IJP/article/view/708.