You can't do this with non-probability sampling methods. 2. Discuss the main types of probability sampling methods and explain their strengths and weaknesses. If you construct your sample by randomly ...

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 ...

Researchers from Kantar, NatCen and Ipsos Mori discussed the future of random probability sampling at an IJMR lecture.

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 ...

The survey was conducted using GfK Knowledge Networks’ KnowledgePanel, an online nationally representative panel of households recruited through probability-based (random) sampling methods. More ...