“…News diffusion is affected by media structure (Rosengren, 1987), timing of the news event (Quarles, Jeffres, Sanchez-Ilundain, & Neuwurth, 1983), the interrelation between interpersonal and mass-media channels (Valente, 1993), the location of the news event (McNelly, 1979), the expertise of the news sources (Kiernan, 2003), and the emotional dimension of the news and its effect (Boyle et al, 2004;Brown, Bocarnea, & Basil, 2002). Shaw (1979) concluded that the news media are particularly effective in focusing the public attention on specific issues.…”