Monday, April 14, 2008

Is Clinton’s Pennsylvania Lead Really 20 Points?


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clipped from blogs.wsj.com

A new survey showing Sen. Hillary Clinton leading Sen. Barack Obama by 20 percentage points in Pennsylvania comes from a polling firm with a shaky track record this election season.

election
The poll, which topped the Drudge Report on Monday afternoon (”shock poll”), was issued by American Research Group Inc. (ARG). In the poll, conducted on Friday, Saturday and Sunday, 57% of likely Democratic voters said they were supporting Sen. Clinton, compared with 37% for Sen. Obama. Just last week, each candidate received 45% in an ARG poll in the state. Other recent polls generally show a much smaller Clinton lead.
But there are reasons to question ARG polling numbers
In a polling report card of 2008 primary accuracy issued by a rival survey company, ARG ranked in the bottom half of more than three dozen polling firms
It also ranked near the bottom in another ranking of pollster accuracy at fivethirtyeight.com
Other pollsters’ numbers disagree with ARG’s
Quinnipiac University Polling
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