... Benoit and many researchers conduct analysis using the functional approach (Benoit, 1997(Benoit, , 1999(Benoit, , 2001(Benoit, , 2003(Benoit, , 2004(Benoit, , 2007a(Benoit, , 2007b. Other researchers examine specific issues such as agenda, frames and public opinion (Boydstun et al., 2013;Fridkin et al., 2007;Kenski and Jamieson, 2006;Olson, 2013), politeness strategies (Dailey et al., 2008;Hinck and Hinck, 2002), survey and voting research (Kenski and Jamieson, 2011;Prior, 2012), television viewing, issue knowledge and perceptions (Brubaken and Hanson, 2009;Kenski and Jamieson, 2006;Kenski and Stroud, 2005;McKinney et al., 2011;Warner, 2011;Warner et al., 2011), voters' attitudes (Yawn et al., 1998), effects on citizens' engagement (Cho and Ha, 2012;McKinney and Rill, 2009;Ricke, 2010), feminine style (Johnson, 2005) and hedge, humour, political satire and laughter (Alavi-Nia and Jalilifar, 2013;Duffy and Page, 2013;Kugler and Goethals, 2008;Stewart, 2010Stewart, , 2012. ...