It is the chief scientist's responsibility to know the data policy of the funding agency, and in cases that require non-standard data handling, to provide documentation of this policy to Scripps ...

One of the studies threatened by a new administration policy regarding international research is focused on prolonging the lives of women with the most common kind of breast cancer.

Two studies that compared weighted and unweighted estimates from online opt-in samples found that in many instances, demographic weighting only minimally reduced bias, and in some cases actually made ...

Survey Mode and Sample Design 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 ...