From the scientific perspective, method comparison was finally formed in the XIXth century and was considered to be the dominant method of research in comparative linguistics, comparative ethnography, comparative psychology, comparative pedagogy, comparative biology and other comparative sciences. This method consists of the comparison of objects on the basis of particular features. For this reason, in order to have a comparison, it’s important to establish on which criteria the objects will be compared, then to analyze the criteria, and after to superpose and study the resulted properties from the point of view of its presence or absence.