Elihu Katz / Elmo Roper / Paul F. Lazarsfeld
Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Reports the results of a pioneering study conducted in Decatur, Illinois, validating Paul Lazarsfeld’s serendipitous discovery that messages from the media may be further mediated by informal 'opinion leaders' who intercept, interpret, and diffuse what they see and hear to the personal networks in which they are embedded.