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New York Times Upshot/Siena College Research Institute Poll 

The New York Times Upshot/Siena College Research Institute poll is a response-rate-adjusted, probability-proportionate-to-size survey of the likely electorate.

Telephone numbers were selected from an L2 voter file stratified by age, region, gender, party, race and turnout in 2014. The probability of selection was inversely proportionate to telephone coverage in each strata and the probability of response, weighted by a modeled turnout score.

Voters were contacted on cellular and landline telephones. Interviewers asked for the person named on the voter file, and ended the interview if the intended respondent was not available. Interviews were conducted in English, and also in Spanish in districts where at least 10 percent of registered voters were Hispanic, per L2 data.

The exact categories used for weighting may vary from poll to poll, depending on the availability of voter file data or the importance of weighting on the interaction between two weighting targets, like between region and party, or race and education.

 

Links to Data:

New York Times Upshot/Siena College: September 2018 West Virginia 03 Poll [31117024]

New York Times Upshot/Siena College: September 2018 Minnesota 03 Poll [31117023]

Upshot 2018 California 48 Poll [31117018]

New York Times Upshot/Siena College: September 2018 Texas 23 Poll

New York Times Upshot/Siena College: September 2018 Virginia 07 Poll

Upshot September 2018 Illinois 06 Poll [31117019]

Upshot September 2018 Illinois 12 Poll [31117020] 

Upshot September 2018 Kentucky 06 Poll

Upshot September 2018 Minnesota 08 Poll [31117022] 

 

All transparency scorecards are available on the individual study download page.

Sample Transparency Scorecards

2018 California 48 Poll [31117018]
September 2018 Illinois [31117019]