Interviews with 1,009 adult Americans, including 935 registered voters, conducted by telephone by Opinion Research Corporation on March 25-28, 2010. The margin of sampling error for results based on the total sample is p

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• Luo people
• Illinois
• Public opinion on health care reform in the United States
• United States
• Healthcare reform in the United States
• Barack Obama

Interviews with 1,038 adult Americans, conducted by telephone by Opinion Research Corporation on October 16-18, 2009. The margin of sampling error for results based on the total sample is plus or minus 3 percentage point

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Interviews with 1,007 adult Americans conducted by telephone by Opinion Research Corporation on May 24-26, 2011. The margin of sampling error for results based on the total sample is plus or minus 3 percentage points. F

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• Chile national football team
• Chile national football team head to head
• United States presidential approval rating

POLL Interviews with 1,033 adult Americans conducted by telephone by Opinion Research Corporation on August 18-20, 2006. The margin of sampling error for results based on the total sample is plus or minus 3 percentage po

Source URL: i.a.cnn.net

• International relations
• United States presidential approval rating
• Apostolic Nuncio to Chile

Interviews with 1,018 adult Americans conducted by telephone by Opinion Research Corporation on July 16-21, 2010. The margin of sampling error for results based on the total sample is plus or minus 3 percentage points. R

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• Demographics of the United States
• Hispanic and Latino American

Interviews with 824 adult Americans conducted by telephone by Opinion Research Corporation on April 9-10, 2011. The margin of sampling error for results based on the total sample is plus or minus 3.5 percentage points.

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Hindawi Publishing Corporation Epidemiology Research International Volume 2014, Article ID[removed], 5 pages http://dx.doi.org[removed][removed]Research Article

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• Academia
• Directories
• Hindawi Publishing Corporation
• Unlisted number
• Public opinion
• Telephone directory
• Random digit dialing
• Survey sampling
• Sampling
• Publishing
• Telephone numbers
• Survey methodology

Interviews with 1,022 adult Americans conducted by telephone by Opinion Research Corporation on September 5-7, 2008. The margin of sampling error for results based on the total sample is plus or minus 3 percentage points

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• Opinion polling for the United States presidential election
• Nationwide opinion polling for the United States presidential election
• Statewide opinion polling for the United States presidential election

POLL Interviews with 1,019 adult Americans conducted by telephone by Opinion Research Corporation on December 15-17, 2006. The margin of sampling error for results based on the total sample is plus or minus 3 percentage

Source URL: i.a.cnn.net

• Democratic Party
• Politics of the United States
• 100-Hour Plan

Interviews with 1,008 adult Americans conducted by telephone by Opinion Research Corporation on December 17-19, 2010. The margin of sampling error for results based on the total sample is plus or minus 3 percentage point

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• Sampling
• Survey methodology