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 – ...

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 ...

Food sensory judgements – taste, texture, and aroma perception – can be influenced by the surrounding environment, and virtual reality (VR) technology can be an effective and affordable way of ...

Zoe Short shows off a monarch butterfly she named Russell in front of UW’s Berry Biodiversity Conservation Center pollinator garden. Short, a recent UW graduate from Douglas, was the lead author of a ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

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 ...

The microbiome has immense power to shape health outcomes. The bacteria that take up residence in the human body, including the gut, have been shown to impact health and disease, including ...

In a recent study published in the Journal of the American Medical Association, researchers examined the effectiveness of opt-in and direct-mail strategies for offering self-sampling kits of human ...

New research from Liverpool School of Tropical Medicine (LSTM) has shown gut and bloodstream infections are caused by the same bacteria, giving hope of better prevention and diagnosis of deadly ...