Mark Blumenthal and Natalie Jackson of Huffpost Pollster write: If you read polls in the news, you’re probably familiar with the term “margin of error.” What ...

Scandinavian Journal of Statistics, Vol. 38, No. 2, Papers from 23rd Nordic Conference on Mathematical Statistics (June 2011), pp. 377-392 (16 pages) Sampford's unequal probability sampling method is ...

Recent years have seen an increasing interest in probability sampling, and some proponents of the method have urged its use in public opinion surveys. This article reports on a comparative study of ...

Public Editor’s Note: Almost every day, in our Public Broadcasting Service Public Editor’s email box, we receive written questions and concerns from confused or misdirected audience members who ...

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 ...

The nuts and bolts of our public opinion surveys. A summary of ABC News' polling standards and survey methodology follows. ABC News maintains standards for disclosure, validity, reliability and ...