Technical Terms Probability Sample: A sampling method where each member of the population has a known, non-zero chance of being selected.

Learn how simple random sampling works and what advantages it offers over other methods when selecting a research group from a larger population.

Among them, this article focuses on the latest cases of European countries that attempt to shift their survey methods based on probability sampling from conventional ones such as face-to-face ...

This paper describes certain quota sampling procedures and attempts to show that they are very close to traditional probability sampling. Quotas are shown to depend on availability for interviewing ...

Serious polling requires careful data collection and careful adjustment. It doesn't mean much to say your poll is a "probability sample" when your nonresponse rate is 90 percent.

This dissertation proposes a novel framework for correcting selection bias in nonprobability samples. The general idea is to construct a set of unit weights for the nonprobability sample by borrowing ...

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