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 ...

To produce high-quality cement, the mineralogical and chemical composition of raw materials, as well as of intermediate and finished products, needs to be determined. At each stage of the production ...

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 ...

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 ...

The case before the Supreme Court was Tyson Foods v. Bouaphakeo, in which several workers in the kill, cut, and retrim departments of a pork processing plant in Iowa paid on a “gang time” basis sued ...