Discover how simple random sampling ensures accurate and unbiased population research, offering efficiency and fairness over ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Cancer is caused by mistakes in DNA, and a new study finds that in most cancer cases, these mistakes are completely random; they're not due to heredity or environmental factors, but rather the result ...

Bell and Howell was a company creation of when the motion picture business resided in Chicago. Donald J. Bell was a projectionist in movie theaters around the Chicago area and got to know pretty well ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

In presidential elections, even the smallest changes in horse-race poll results seem to become imbued with deep meaning. But they are often overstated. Pollsters ...