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 ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...

We give necessary and sufficient conditions for the second-order inclusion probabilities to be strictly positive under Chao's (1982) sampling plan for some order of arrangement of the population units ...

UK – At a lecture hosted by the International Journal of Market Research (IJMR), researchers from Kantar, NatCen and Ipsos Mori discussed the future of random probability sampling. Random probability ...

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Simple random sampling is a method used to cull a smaller sample size from a larger ...

Since Moser and Stuart's pioneering work (Moser and Stuart 1953), systematic investigation of random and quota sampling has fallen into abeyance amongst British researchers. 1 In the USA, the ...

The analysis in this report is based on a web survey conducted September 30-October 11, 2011 among a sample of 1,168 adults, 18 years of age or older. The survey was conducted by Knowledge Networks ...

This paper presents preliminary results of an empirical study of probability sampling designs based on the study of seven attributes of collared rimsherds from six totally or almost totally excavated ...