Gallup.com Year in Review
Politics

Gallup.com Year in Review

A review of Gallup's top findings in 2012

WASHINGTON, D.C. -- Gallup.com reviews some of the top findings of 2012, spanning political, economic, wellbeing, and world news.

January

February

March

April

May

June

July

August

September

October

November

December

Stay with Gallup.com for more news and reactions to the news in 2013.

Survey Methods

Gallup surveys 1,000 national adults, aged 18 and older, every day and also conducts additional surveys. In most cases, the maximum margin of sampling error is ±2 to ±4 percentage points. For detailed survey methods on any results reported here, please visit the original story.

Interviews are conducted with respondents on landline telephones and cellular phones, with interviews conducted in Spanish for respondents who are primarily Spanish-speaking. Each sample includes a minimum quota of 400 cell phone respondents and 600 landline respondents per 1,000 national adults, with additional minimum quotas among landline respondents by region. Landline telephone numbers are chosen at random among listed telephone numbers. Cell phones numbers are selected using random digit dial methods. Landline respondents are chosen at random within each household on the basis of which member had the most recent birthday.

Samples are weighted by gender, age, race, Hispanic ethnicity, education, region, adults in the household, and phone status (cell phone-only/landline only/both, cell phone mostly, and having an unlisted landline number). Demographic weighting targets are based on the March 2011 Current Population Survey figures for the aged 18 and older non-institutionalized population living in U.S. telephone households. All reported margins of sampling error include the computed design effects for weighting and sample design.

In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.

For more details on Gallup's polling methodology, visit www.gallup.com.


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