When one considers the extent and scientific and technical character of the work done in the field of communication in the past two or three decades, with a view to evolving a methodology of the social sciences there, one is struck by the impressive number and the no-less considerable diversity of factors which figure in this young, all-affecting discipline, recently freed from the hold of philosophy. Such is the case in all the social sciences and that, moreover, is why Lazarsfeld rightly contends that in sociological matters it is a good idea to multiply the “partial inquiries” in order, one day, to combine them into one all-inclusive sociology.