A consumer's guide to the polls.

Science, technology, and life.
Oct. 28 2004 5:31 PM

A Consumer's Guide to the Polls

Read the ingredients before you buy.

(Continued from Page 7)

May weight your vote differently depending on your: Race, age.

Adjusts results to fit expected party shares of electorate:No.

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Gallup (CNN/USA Today)

Publishes entire questionnaire with results: Not for the public.

Where:National questionnaires are posted without screening or demographic questions here. They include trend data but are not archived there. More information is available only to subscribers at www.gallup.com.

Screens people out based on past failure to vote: Yes.

Likely voter screen: Gallup typically assumes 50 percent in a presidential election, but due to high levels of voter interest this year, they're assuming a 55 percent turnout. If you get top scores on their seven likelihood questions, you get a weight factor of 1. The lower you score, the more your weight factor diminishes. If you don't make the top 55 percent, your weight factor is 0, and you're not counted.

Raises these questions before asking whom you'd vote for: None.

Presses undecideds to pick a candidate: Yes.

Average boost from pressing, last three samples: Bush +0.75, Kerry +1.

Disclosure of boost factor: Unpublished but available to media on request.

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