“…More recently, however, exit poll nonresponse has increased and differences between exit poll estimates and actual vote distributions, measured as "within precinct error," are on the rise (Traugott, Highton, & Brady, 2005;Frankovic, Panagopoulos, & Shapiro, 2009). Evidence of differential nonresponse in exit polls is accumulating (Frankovic, Panagopoulos, & Shapiro, 2009;Merkle & Edelman, 2000, 2002Mitofsky, 2005;Keeter, 2011;McDonald & Thornburg, 2012;Panagopoulos, 2013). For example, comparisons of precinct-level votes and exit polls in the same precincts in some states showed that Democrats were more likely than Republicans to consent to interviews in both 2004(Keeter, 2011.…”