Viewers More Engaged in Republican Convention

Undecided voters were more engaged and attentive during the Republican National Convention (RNC) than during the Democratic National Convention (DNC), according to a media research firm.

Uncommitted voters were most engaged in Sen. John McCainJohn McCainExperts warn weapons gap is shrinking between US, Russia and China McCain delivers his own foreign policy speech Republicans who vow to never back Trump MORE's (R-Ariz.) Sept. 4 acceptance speech. The addresses by Sen. Barack ObamaBarack ObamaObama 'not pulling any punches' at WHCD speech WATCH LIVE: Obama to headline WHCA dinner Five ways Trump will attack Clinton MORE (D-Ill.) and Gov. Sarah Palin (R-Alaska) were the second most engaging programs to uncommitted voters. Nielsen also found that likely voters were 12 percent more attentive to the RNC than to the DNC.

McCain's speech drew a hefty 38.9 million viewers, 500,000 more than the 38.4 million viewers who watched Obama's Invesco Field acceptance speech the week before.

The research was conducted by Nielsen AIG, a firm which studies ads, product placement, and program sponsorship during television programs.

-Michael O'Brien

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