Washington (CNN) - When Republicans were asked to select their preferred presidential nominee for a USA Today/Gallup poll released Monday, GOP contenders Mitt Romney, Herman Cain and the 'undecided' option, all tied in first place each garnering 21 %.
The poll was conducted last week while businessman Herman Cain was at the center of accusations that he sexually harassed employees in the late 1990s during his tenure as president of the National Restaurant Association.
However that was before Sharon Bialek, Cain's latest accuser and the first to put a face to the allegations, claimed Monday that Cain sexually assaulted her in 1997. Bialek was accompanied at a news conference by well-known attorney Gloria Allred.
According to the poll, 53% of Republicans are inclined to believe the accusations are not true, with most saying the charges are "probably not true" rather than "definitely not true."
The poll shows about half of Republicans are following the news stories about the sexual harassment allegations against Cain very or somewhat closely.
Former House Speaker Newt Gingrich was the third most preferred candidate at 12%, which is consistent with other national polls showing him rising. Texas Gov. Rick Perry trailed Gingrich by 1 percentage point.
Texas. Rep. Ron Paul, Minnesota Rep. Michele Bachmann, former Pennyslvania Sen. Rick Santorum and former U.S. ambassador Jon Huntsman rounded out the last four slots, receiving 8%, 3%, 2% and 1% respectively.
The poll's results are based on telephone interviews conducted from Nov. 2-6, with a random sample of 1,054 Republicans and Republican-leaning independents, aged 18 and older, living in all 50 U.S. states and the District of Columbia.
The sampling error is plus or minus 4 percentage points.