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 ...

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 current survey was conducted Aug. 27 to Sept. 24, 2009 among 14,760 respondents in Britain, Bulgaria, the Czech Republic, France, Germany, Hungary, Italy ...

The Rating Survey on Young Children’s TV Viewing has been annually conducted since 1996 (except for 2004) by mail survey method. As the survey’s response rates have been gradually declining, we are ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

The pre-module is a quick reference guide, focusing on the practical steps for conducting a SENS survey. It is not meant to replace already existing survey manuals. To avoid duplication, the user is ...