This report included six online platforms used for public polling. Three are opt-in survey panels or “marketplaces.” One is an opt-in crowdsourcing labor website. Two are survey panels that interview ...

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 ...

The analysis in this report is based on a self-administered web survey conducted from Sept. 26 to Oct. 23, 2023, among a sample of 1,453 dyads, with each dyad (or pair) comprised of one U.S. teen ages ...

Survey researchers design or conduct surveys and analyze survey data. Many groups use surveys to collect factual data, such as employment and salary information, or to ask questions that help them ...

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 ...

Amphibian biodiversity is declining worldwide and collecting information about their habitats and populations via monitoring is vital for conservation efforts. However, it is difficult to accurately ...

Collectively, recreational fisheries can take a significant fraction of the yearly catch—in some cases more than commercial fisheries. It is important that systems used to monitor fishing catch are ...

ISR maintains a panel of 1,750 randomly selected households from the 6-County Sacramento Region (El Dorado, Placer, Sacramento, Sutter, and Yuba) in which we can rapidly administer surveys. This ...