Al can be reached at campaign.journal@wsj.com2.
Election Surveys That Screen Out 'Unlikely' Voters Might Be Outdated
September 17, 2004
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This might be more than an academic issue. A number of polls this presidential race show a gap in the preferences of registered voters vs. likely voters. In these models, the president usually does better with likely voters, the figure most news organizations emphasize. To get to likely voters, all polling organizations use what is called a "screen," asking questions to determine who is likely to actually turn out on election day.
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Gallup explains it has what it considers a time-tested formula for determining most likely voters. It asks eight questions, such as current intensity of interest, past voting behavior and interest, and whether you know where your voting place is... But there is reason to suspect those criteria are outdated, especially in an election where both sides say the intensity level is much higher than four years ago and get-out-the-vote organizations are considerably better than ever -- few people on Nov. 2 will be in the dark on where the voting polls are.
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But most of the time the screen for likely voters tilts Republican. In 2000, Gallup's election eve survey showed George Bush ahead by two points among its likely voters; he trailed Al Gore by a point among registered voters, very close to the final outcome.
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The probable outlook: Polls will vary and conflict if this race remains tight. Also, poll watchers must remember that the best survey has a three or four-point margin of error; that means if it shows the race even, one or the other candidate actually could be up by a half-dozen. Here's a final guide: If almost all the election eve polls show one candidate up four or five points or more, take it to the bank. But if most show the race within a couple of points, plan on staying up late election night.
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Write to Albert R. Hunt at al.hunt@wsj.com
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