Geomembranes play a critical role in modern containment systems, from landfills and wastewater lagoons to mining operations and industrial ponds. Because these liners are designed to prevent leaks ...

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 ...

Pew Research Center conducts public opinion surveys in the United States over the phone and, increasingly, online. But these two formats don’t always produce identical results. Respondents sometimes ...

A new report titled “Pulse Survey Report,” sponsored by Seismic, points to rising demand for quick checks on worker and ...

Researchers are working to identify less error-prone methods for performing wildlife surveys. Research led by a University of Montana undergraduate student to identify less error-prone methods for ...