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 ...

One possible explanation for the variability in estimates across the different nonprobability samples is the range of methods that online sample vendors employ. They differ on recruitment, weighting ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

The Survey Research Center (SRC) at the University of Michigan is a well-known survey research entity. In the 1960s, it boasted one of the best survey sampling experts (Leslie Kish) and a permanent ...

The data in this report are based on two independent survey administrations with the same randomly selected, nationally representative group of respondents. The first is the center’s largest survey on ...

Millions of businesses rely on customer surveys to learn more about their customer base, their products, and their options for the future. Aspiring entrepreneurs use them for initial market research ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Children tap the legs for local seniors at an elderly care center in Deqing County of Huzhou City, east China's Zhejiang Province, Oct. 10, 2024. Photo: Xinhua The National Bureau of Statistics is set ...

What was once two companies is now one after Shelton-based market research company Survey Sampling International, SSI, sealed its deal with Texas data collection company Research Now to become one ...