“…Oddly, but perhaps not surprisingly (given the ways faddish terms can sometimes diffuse across a research community without eliciting scrutiny), there is no single, widely-accepted definition of the concept. Instead, a variety of helpful definitionsbasically similar, yet subtly and slightly different -have been offered, with terms like "process" and "phenomenon" sometimes used to introduce the concept, and definitions frequently, though not always, emphasizing that media coverage must be "neutral" or perhaps "controversial" in order to elicit divergent perceptions (see Arpan & Raney, 2003;Chia, Yong, Wong, & Koh, 2007;Goldman & Mutz, 2011;Gunther, Miller, & Liebhart, 2009;Hansen & Kim, 2011;Huge & Glynn, 2010;Vallone et al, 1985).…”