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 ...

Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

Passive sampling has emerged as an indispensable tool for monitoring hydrophobic organic contaminants (HOCs) in diverse environmental media. By employing polymer-based materials, researchers are able ...

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 – ...

UK – The Market Research Society has launched a steering group as part of aims to ensure that minority groups are represented within market research samples. The group has been formed as part of the ...

Part One: The nature and process of social research ; Social research strategies ; Research designs ; Planning a research project and formulating research questions ; Getting started: Reviewing the ...