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Election Night Odds and Ends

HOW EXIT POLLS ARE CONDUCTED

Voter News Service, a cooperative service of The Associated Press, ABC, CBS, CNN, Fox and NBC, conducted its exit poll in the New Hampshire general election by interviewing 1,195 voters as they left polling places in 30 precincts statewide Tuesday.

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Each poll precinct was picked randomly in a process that was organized to reflect state geography and past vote by party.

As people left voting booths, interviewers for the service asked them to fill out a confidential questionnaire. Voters were chosen at a set interval--such as every fifth person--so that each voter had an equal chance of being picked.

The results were adjusted to reflect the demographic characteristics of the precincts selected, as well as the observed sex, race and estimated age of voters who refused to participate.

As with any poll, the results could vary because of chance variations in the sample. For this poll, there was one chance in 20 that sampling error would cause the results to vary by more than

3.5 percentage points either way from the opinions of all voters who participated in the state's election. The error margin was higher for subgroups in the sample.

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