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 ...

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.

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 ...

If this proves to be a successful endeavor for the Times and CBS News, does that mean other pollsters will embrace non-probability sampling? Not necessarily. It’s important to keep in mind that online ...

The accuracy of three estimators of sampling variance using non-replacement probability lattice samples was determined empirically on a microuniverse. A simple split-sample scheme, although biased, ...