Oversampling is used to study small groups, not bias poll results
As oversampling and its possible effect on presidential polls are spotlighted ahead of Election Day, learn more about this practice and how pollsters adjust for it.
Numbers, Facts and Trends Shaping Your World
2016
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The Political Environment on Social Media
Some Americans enjoy the opportunities for political debate and engagement that social media facilitates, but many more express resignation, frustration over the tone and content of social platforms.
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Even in Era of Disillusionment, Many Around the World Say Ordinary Citizens Can Influence Government
A nine-country survey on the strengths and limitations of civic engagement illustrates, there is a common perception that government is run for the benefit of the few, rather than the many.
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Many Americans unaware of their states’ voter ID laws
With less than a month to go before Election Day, not all American voters are aware of their states’ voter ID requirements.
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Cellphone Activity Flags
As telephone interviewing costs continue to rise and cellphones represent an increasing share of survey samples, survey researchers are exploring approaches to make these designs more cost-effective.
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As the need for highly trained scientists grows, a look at why people choose these careers
What leads people to a career in science? From a lifelong interest in science to the influence of mentors, working scientists explain why they pursued science.
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For many Americans, Election Day is already here
More than 4 million early, absentee and mail-in votes already have been cast, and if recent trends continue the number of Americans voting in such nontraditional ways could approach 50 million this year.
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6 charts that show where Clinton and Trump supporters differ
Clinton and Trump supporters not only differ on plans, policies and “basic facts,” but also on nation’s progress and its ability to solve problems.
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Video: How Republican and Democratic voters have changed since 1992
The two parties look less alike today than at any point over the last quarter-century.
