network sampling

Estimating the Size of Populations at High Risk for HIV using Respondent-Driven Sampling Data

The study of hard-to-reach populations presents significant challenges. Typically, a sampling frame is not available, and population members are difficult to identify or recruit from broader sampling frames. This is especially true of populations at …

Estimating Hidden Population Size using Respondent-Driven Sampling Data

Respondent-Driven Sampling (RDS) is n approach to sampling design and inference in hard-to-reach human populations. It is often used in situations where the target population is rare and/or stigmatized in the larger population, so that it is …

On the Concept of Snowball Sampling

A phenomenon in the sociology of science is that multidisciplinary fields tend to produce a plethora of inconsistent terminology. Often the meaning of a term evolves over time, or different terms are used for the same concept. More confusing is the …

Respondent-Driven Sampling: An Assessment of Current Methodology

Respondent-driven sampling (RDS) employs a variant of a link-tracing network sampling strategy to collect data from hard-to-reach populations. By tracing the links in the underlying social network, the process exploits the social structure to expand …