The survey was conducted by the GfK Group using KnowledgePanel, its nationally representative online research panel. KnowledgePanel members are recruited through probability sampling methods and ...

Due the risks associated with surveying minors, this research underwent a full board review and received approval (Approval ID Pro00073203). KnowledgePanel members are recruited through probability ...

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 ...

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 ...

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

Upper bounds are established for the probability that, in sampling without replacement from a finite population, the sample sum exceeds its expected value by a specified amount. These are obtained as ...

This paper deals with two schemes, π-inverse weights and best linear unbiased weights, for weighting of observations drawn by unequal probability sampling methods. The context is that of constructing ...