“…But a second set of studies detects presidential communication effects, using either experimental (Conover & Sigelman, 1982;Druckman & Holmes, 2004;Rosen, 1973;Sigelman, 1980;Sigelman & Conover, 1981;Thomas & Sigelman, 1984) or observational designs (Cohen & Hamman, 2003, 2005Wood, 2007). Finally, a third set of studies takes a more nuanced approach, asking under what conditions presidential communication will move public opinion, for instance, when popularity is high, during the presidential honeymoon, or with major speeches (Cavari, 2013;Mondak, 1993;Mondak, Lewis, Sides, Kang, & Long, 2004;Rottinghaus, 2010;Tedin, Rottinghaus, & Rodgers, 2011).…”