Discover how attribute sampling enhances audit accuracy by evaluating internal controls and analyzing population traits, ...

Data collection has been the Achilles heel of all research endeavors. Proper data can be hard to find, acquiring it is often prohibitively expensive and cleaning everything up is time-consuming.

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Andrew J Tatem works for the University of Southampton, and is Director of WorldPop. His research on mapping populations has been funded by donors such as the Gates Foundation, Wellcome Trust, GAVI.

D. Yaw Atiglo does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...