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2009 election for Virginia governor | Latest News | Daily Roundup | Candidate Tracker

Polls in Va. Governor's Race Haven't Met Post's Standards

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By Behind The Numbers
Sunday, May 17, 2009

Wondering where all the polls have gone? For Yes, press 1.

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After an election cycle with seemingly ubiquitous polls, readers of The Washington Post have recently seen none purporting to show the status of the hotly contested Democratic primary for Virginia governor.

The contest is only a month away, and The Post has been covering the campaign and is sponsoring a candidate debate Tuesday; so why no reporting on the polls?

In fact, there have been three recent, publicly released polls about the battle for the Democratic nomination. One had Terry McAuliffe, former chairman of the Democratic National Committee, with a double-digit lead, another had McAuliffe and former delegate Brian Moran running neck and neck. All had a common finding that there are scads of undecided voters. But The Post didn't publish reports on any of the polls.

Polls vary greatly in quality, and just because an organization produces a number does not mean that it is reliable, or that it's newsworthy.

Our responsibility is to scrutinize the data we report as carefully as we do the sources we quote in stories. By publishing numbers of uncertain quality or ones lacking essential context, we amplify those findings, and risk misleading you.

None of the recent polls in the Virginia governor's race meet our current criteria for reporting polls: Two primary ones were by Interactive Voice Response, commonly known as "robopolls," and the third was a partial release from one of the candidates eager to change the campaign story line.

The basic test of any poll is how reliably the opinions of those surveyed reflect those of everyone in the population of people that interests us, in this case prospective voters in the June 9 Democratic primary for governor.

Estimating how many and what types of people might vote a month out from a primary is often a monumental task, particularly so this year in Virginia. Will Democratic turnout be in line with the approximately 115,000 who voted in the party's lieutenant governor primary four years ago? The 150,000 or so voters who cast ballots in the 2006 Democratic primary for U.S. Senate? Or the nearly 1 million voting in last year's battle between Barack Obama and Hillary Rodham Clinton? Right now, turnout estimates range from very low to low.

Joe Lenski, executive vice president of Edison Research, the group that conducts the national exit poll for the consortium of television networks and the Associated Press, puts the problem bluntly: "Low turnout races with unpredictable voting patterns are notoriously difficult to accurately poll. The Virginia democratic primary would definitely qualify since there are so few past primaries to compare to and the turnout is likely to be very low."

We also avoided using the exact findings from the internal poll conducted by the pollster for one of the campaigns. Partisan pollsters tend to release results favorable to their candidate and typically lack basic elements of disclosure that we require.

Given the great complexity in determining "likely voters" in the upcoming electoral clash, extra care should taken to gauge whether people will show up to vote. Unfortunately, polls that use recorded voice prompts typically take less care than polls conducted by live interviewers.


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