Although empirical research on the agenda-setting function of mass communication dates only from the 1968 presidential election, historically there has been long-standing concern over the control of communication because of its assumed influence. Early communication research shared this concern and assumption, focusing on the ability of the media…

The relative credibility of media is measured and compared over a 16-year period by the Roper Organization for the Television Information Office. Sources of information and trends in viewing habits and hours of viewing are described; the relative desirability of media as viewed by various population groups is reported. Changes in opinion as to…

A study of 4,692 news stories from Egyptian, Algerian, and Tunisian electronic and print news media was conducted to see how state-controlled media reflected government policy changes following the Egyptian-Israeli peace treaty and the subsequent diplomatic break between Egypt and Arab League nations. The study found that the three controlled…