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 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 ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...

Issaquah Salmon Hatchery is a facility where salmon larvae hatch and travel to the ocean, then come back as adults to repeat ...

In today’s evidence-driven world, there is increasing demand for researchers with the skills to design, conduct, and evaluate studies that help institutions and schools improve their decision-making ...

Drone-based blow sampling advances pathogen surveillance in North Atlantic whales using DJI equipment for non-invasive health monitoring.

New research has led to a model that assesses the short- and long-term effects of in-store product sampling on sales of both the products offered on sample and competitive products. In big box stores, ...

New research from University of Manchester experts suggests that introducing a UK-wide self-sampling programme alongside ...