Throughout its history the polling industry has engaged in highly public self-study that has led to innovation and methodological adaptation.

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 ...

How can we be sure that there is sufficient data for our model, such that the predictions remain reliable on unseen data and the conclusions drawn from the fitted model would not vary significantly ...

Online data has the potential to transform how researchers and companies produce election forecasts. Social media surveys, online panels, and even comments scraped from the internet can offer valuable ...

ABSTRACT: Solid household waste management in Kinshasa, the capital of the Democratic Republic of the Congo, has become a significant problem due to its health, environmental, and economic impacts.

Scientists from the Institute of Analytical Chemistry of the Czech Academy of Sciences and Masaryk University recently tested various saliva sampling methods to optimize bile acid analysis. Scientists ...

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 ...

Cluster sampling divides a population into smaller clusters, simplifying large-scale research. Cluster sampling is a probability sampling method where researchers divide a population into smaller ...