Since Moser and Stuart's pioneering work (Moser and Stuart 1953), systematic investigation of random and quota sampling has fallen into abeyance amongst British researchers. 1 In the USA, the ...

Students learn about sampling by tracing improvements in sampling procedures over the twentieth century. Scientific inquiries involving flawed sampling are illustrated and discussed using the Literary ...

In a recently published news story, we learn about a young doctor, Jake Deutsch, and his personal experience with coronavirus disease 2019. Deutsch tested positive for Covid-19 and checked himself ...

Probability sampling has enjoyed a privileged position for good survey practice since the beginning of last century. Jerzy Neyman (1934) decisively contributed to this situation with his theory for ...

Here at Pew Research Center, we are often asked about how we conduct our research. We work hard to make our methodologies transparent and understandable, but we also know that survey mode effects and ...