“…Probably the best known model in research on issue attention (for an overview see Brossard, Shanahan, & McComas, 2004;McComas & Shanahan, 1999;Nisbet & Huge, 2006;Shih, Wijaya, & Brossard, 2008;Waldherr, 2012) is the "issue-attention cycle" created by Downs (1972). According to him, an issue passes through different phases of attention: (1) the preproblem stage, where it is only discussed by specialists, and (2) alarmed discovery and euphoric enthusiasm, where it makes a breakthrough into the public agenda and receives a lot of attention, often through key events (Kepplinger & Habermeier, 1995).…”