MADISON, Wis. -

A poll of likely voters in Wisconsin conducted by WISC-TV over the last two days shows a shift in other poll figures from last week.

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Among all likely voters, Democratic Sen. Barack Obama leads Republican Sen. John McCain 49 percent to 43 percent.

That's a shift from the Big Ten battleground poll of last week that showed them only 1 point apart.

Five percent of voters remain undecided and the margin of error in the WISC-TV poll is plus or minus 4 percent.

Among men, McCain leads Obama by four points -- 49 to 45 percent with 2 percent undecided.

In the prime demographic of women in the state, Obama leads by a fair margin -- 53 percent to McCain's 37 percent but still 8 percent of women remain undecided.

University of Wisconsin-Madison political scientist Charles Franklin said the likely voter shift over the last week has to do with the economic crisis and that Wisconsin mirrors what's happened across the country.

"What we've seen in just the last 10 days in state after state and national poll after national poll is that following the financial crisis last Monday and Tuesday McCain's growing advantage that happened after the Republican convention stopped, turned completely around and has moved sharply back for Obama," said Franklin. "Since neither of these candidates has particularly distinguished themselves by their economic policy, they've both emphasized other aspects the fact that the economic crisis seems to be hurting McCain and helping Obama is politically very important."

WISC-TV also asked participants about the proposed government bailout and whether voters approve or disapprove of the government's action and only 32 percent approve and 61 percent disapprove with 7 percent not sure.

A total of 600 likely voters who vote regularly in state elections were interviewed statewide by telephone for the poll.

Those interviewed were selected by the random variation of the last four digits of telephone numbers.

Quotas were assigned to reflect the voter registration of distribution by county.