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 web survey conducted January18-24, 2013 among a sample of 1,041 adults, 18 years of age or older. The survey was conducted by GfK Knowledge Networks (KN) ...

The COVID-19 pandemic has infected over 38 million people around the world and is showing no signs of going away any time soon. Researchers worldwide are frantically working on developing an effective ...