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 ...

概率抽样（probability sampling），也称随机抽样（random sampling），是指遵循随机原则进行的抽样，总体中每个个体都有一定的机会被选入样本。从理论上讲，概率抽样是最科学的抽样方法，它能保证抽取出来的样本对总体的代表性。 概率抽样分为等概率抽样（equal ...

This study reports the findings of a comparison between different non-probability sampling methods applied in a WWW-user-survey. This study reports the findings of a comparison between different ...

After my post the other day on tracking public opinion with biased polls, someone pointed me to this 2011 article by David Yeager, Jon Krosnick, LinChiat Chang, Harold Javitz, Matthew Levendusky, ...

With a population of over 40 million users worldwide, a number doubling every year, the internet has become a medium with distinct business opportunities. To academic and commercial researchers, the ...