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 ...

A growing share of polling is conducted with online opt-in samples. 1 This trend has raised some concern within the industry because, while low participation rates pose a challenge for all surveys, ...

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 ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

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 ...

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These findings are based on a telephone survey conducted Feb. 14-23, 2014 among a national sample of 1,821 adults, including an oversample of young adults ages 18 to 33. Interviews were conducted on ...