Cluster sampling is considered to be less precise than other methods of sampling. However, it may save costs on obtaining a sample. Cluster sampling is a two-step sampling procedure.

Other methods can include random sampling and systematic sampling. Fast Fact A representative sample seeks to choose components that match with key characteristics in the entire population being ...

Destructive Sampling: Requests to destructively sample type or rare specimens will be denied. Any remaining material following destructive sampling must be returned to the Paleontology Section. It ...

Detailed information on Pew Research Center international survey methodology, such as mode of interview, sampling design, margin of error, and design effect, for each country we survey, organized by ...

This is a preview. Log in through your library . Abstract Designing an efficient sampling scheme for a rare and clustered population is a challenging area of research. Adaptive cluster sampling, which ...