Analysis by Sarah Dutton, Jennifer De Pinto, Anthony Salvanto, Fred Backus and Lindsey Boerma
Fifty percent of uncommitted voters who tuned into Thursday night's vice presidential debate in Danville, Ky., said they see Vice President Joe Biden as the winner over Mitt Romney's GOP running mate Rep. Paul Ryan, R-Wis., according to an instant poll taken by CBS News.
Of the 431 polled immediately following the debate, 31 percent deemed Ryan the winner, and 19 percent said they felt it was a tie. Party-wise it's
Both Biden and Ryan gained ground on relatability and knowledge. The percentage of voters who say they believe they can relate to Biden spiked from 34 percent before the debate to 55 percent; 48 percent think Ryan is relatable, up from 31 percent before the debate. Meanwhile, after watching the two candidates debate, 85 percent of those polled think Biden is knowledgeable about the issues; 75 percent say that about Ryan.
Ryan, though, faced a loss among voters' opinions of which candidate would be an effective president, if necessary. Before the debate, he led Biden 45 percent to 39 percent; after the debate, 56 percent of those polled said Biden would be an effective president, with fewer - 49 percent--saying the same about Ryan.