JONES, E.; y GERARD, H.: Foundations of Social Psychology, Nueva York, J. Wiley,
1967, McCOMBS, M.-WEAVER, D.: «Volter's Need for Orientation and Use of Mass Communication», Paper to the Annual Meeting of International Communication Assoc., Montreal,
1973.
46 KRAUS, S., DA VIS, D.: The Effects of Mass Communication on Political Behavior, Univ.
Park, Penn., Pennyslvania State Univ. Press, 1976.
47 SWANSON, D.L.: «Feeling the Elephant: Sorne Observations on Agenda-Setting
Research", Communication Yearbook, vol. XI, Londres, Sage, 1988, pp. 607 y 614.
4 8 WEAVER, op. cit., 1982, p. 549.
49 IYENGAR, Shanto: «New Directions of Agenda-Setting Research», Communication Yearbook, vol. 11, Londres, Sage, 1988.
so PALMGREEN, Ph.; y CLARK, P.: «Agenda-Setting with Local and National Issues», Communication Research, vol. 4, octubre, 1977.
51 SAPERAS, op. cit., p. 79, y MuLLINS, L.E.: «Agenda-Setting and the Younger Voter», en
McCOMBS, M., SHAW, D. (eds.): The Emergence of American Political Issues: The Agenda-
Setting Function of the Press., S t. Paul, Minn. West Pub. co. 1977.
52 Cfr. McQUAIL, op. cit., 1985 y 1987.
53 /bid y SAPERAS, o p. cit., p. 77.
54 WINTER, J.P.: «Contingent Conditions on the Agenda-Setting Process», Mass Communication Review Yearbook, vol. 2, Londres, Sage, 1981.