When people read about a poll, they are often told something like this: Pollsters call a random group of people. Though small, we can infer this group is a representative sample of the U.S. population ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...

Log-in to bookmark & organize content - it's free! CBS Elections and Surveys Director Anthony Salvanto discussed how polling and surveys work and addressed some of the skepticism of the process. He ...

Any scientist who studies groups of people knows that the characteristics of the “sample” — the group of people selected for the study — can profoundly impact the study’s findings. To produce the most ...

With more American households giving up their old-fashioned landlines and using cell phones for all calls, public opinion researchers are facing a challenge of how to make sure they are getting ...

Accurately sampling and testing hay is the only way to get a real understanding of the nutritive value of feed. Using values ...

Pew Research Center’s cross-national studies are fielded in a range of polling environments, from countries where telephone surveys are regularly administered to nations where face-to-face surveys are ...