Data from national surveys show rising political jeopardy for president as voter concern over economy and health care ...

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

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Many healthcare providers feel that UPIC audits often fall short, with flawed sampling and extrapolation techniques that dramatically exaggerate overpayment findings, exposing providers to undue ...

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This technical note covers household surveys with a focus on probability sampling, bias, and survey weights. It explains how households are selected in a representative way from a population for a ...

Hear where moments of Kraftwerk, Enya, Herb Alpert and more ended up in producers’ deft hands. By Lindsay Zoladz Today’s playlist is a celebration of a tried-and-true method of discovering new-to-you ...

Last December, a joint survey by The Economist and the polling organization YouGov claimed to reveal a striking antisemitic streak among America’s youth. One in five young Americans thinks the ...