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

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 ...

Two weeks ago, I made the case for specifying the global problems you wish to spend years on. Today I want to place these choices at the right altitude, because from arm’s length everything blurs and ...

The Supervisor of Elections Office spent more than $16K to reprint the sample ballots and more than $13K for postage. The Orange County Supervisor of Elections Office erred in printing the wrong ...

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 ...

However, the report also noted that, ‘the available research estimates [are] not adequate to extrapolate a specific estimate or range of the incidence of diagnostic errors in clinical practice today’.

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May 21 (Reuters) - One person you wouldn’t expect to hear tout a statistical fallacy is Warren Buffett, but the legendary investor appeared to do just that at the recent Berkshire Hathaway (BRKa.N), ...

An explanation of the methodology for 538's presidential approval average. On Jan. 28, 2025, 538 launched our average of polls of President Donald Trump's approval rating. For Trump's second term, we ...

SSRS conducted the National Public Opinion Reference Survey (NPORS) for Pew Research Center using address-based sampling and a multimode protocol. The survey was fielded from Feb. 1, 2024, to June 10, ...