A recent review of over 312 studies has identified dozens of unique uses of roadkill in scientific research. The review, ...

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

Outcome-dependent sampling designs are strategic methodologies in longitudinal research that prioritise the selection of study subjects based on observed outcomes. Rather than relying on random ...

The Journal of Geo-information Science recently published an online article on research led by researcher Lianfa Li and researcher Xiaomei Yang (Institute of Geographic Sciences and Natural Resources ...

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 ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

A salt marsh harvest mouse walks across the bulrush at Grizzly Island Wildlife Area in San Francisco. (Cody Aylward/UC Davis) From species of marmots to moles, shrews and mice, many of the world’s ...

verybody has a favorite color and season—preferences that seem innate, always defying reason. Auditors are no different when it comes to haphazard sampling, a process in which—ideally—they choose ...