Methodological Aspects in Using Pearson Coefficient in Analyzing Social & Economical Phenomena

The authors illustrate in this paper a series of methodological aspects generated by the use of Pearson correlation coefficient in analyzing social and economical phenomena. Pearson correlation coefficient is largely used in economics and social sciences; however, the diversified nature and subtle nuances of this concept raises significant methodological issues. This article deals with aspects concerning the factors that impact on the size and interpretation of Pearson correlation coefficient, as well as special cases of this coefficient.