Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

By Courtney Kennedy, Andrew Mercer, Scott Keeter, Nick Hatley, Kyley McGeeney and Alejandra Gimenez As the costs and nonresponse rates of traditional, probability-based surveys seem to grow each year, ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

Air and surface sampling techniques currently used by the US government are effective in fighting bioterrorism and potentially saving lives, a researcher finds. In 2005 and 2009, the Pentagon Force ...