Consumers love free samples. And while retailers and manufacturers recognize sampling as an important marketing strategy, until now few understood sampling’s effectiveness. PromoWorks commissioned an ...

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 – ...

The MTA began an air sampling study on Monday, which involves teams releasing non-toxic gases into the air at 120 above- and below-ground locations. According to the federal Urban Threat Dispersion ...

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 ...

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 ...

Introduction Self-sampling for cervical cancer screening is a promising strategy to improve coverage and reduce strain on ...

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 ...

A study led by Queen Mary University of London has compared the performance and acceptability of a urine test and four different vaginal self-sampling collection devices to detect high risk Human ...