Bart Buelens, Joep Burger, Jan A. van den Brakel, Comparing Inference Methods for Non-probability Samples, International Statistical Review / Revue Internationale de Statistique, Vol. 86, No. 2 ...

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

1. Distinguish between probability and non-probability sampling and discuss the advantages and disadvantages of each. If you can not specify the probability that any given individual will be in the ...

Non-probability samples provide a challenging source of information for official statistics, because the data generating mechanism is unknown. Making inference from such samples therefore requires a ...

Non-probability samples provide a challenging source of information for official statistics, because the data generating mechanism is unknown. Making inference from such samples therefore requires a ...

We propose a modified jackknife variance estimator which is defined for any without-replacement unequal probability sampling design in the presence of imputation and non-negligible sampling fraction.

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.

NatCen has also developed a new approach, a random-probability survey that combines web and CATI. Swales explained the aim is to provide a high-quality alternative to non-probability surveys when ...