Background The prevalence of do** in competitive sport, and the methods for assessing
prevalence, remain poorly understood. This reduces the ability of researchers, governments …

This book is principally intended for social scientists wanting to undertake social network
research. It assumes the reader already knows a thing or two (perhaps even a lot) about …

A range of size estimation methods is available. All methods rely on theoretical assumptions
that are difficult to meet in practice, are logistically difficult to conduct, or have yet to be fully …

Respondent-driven sampling (RDS) is a widely used method for sampling from hard-to-
reach human populations, especially populations at higher risk for human immunodeficiency …

Social network data are often prohibitively expensive to collect, limiting empirical network
research. We propose an inexpensive and feasible strategy for network elicitation using …

Background For a better understanding of the current situation of drug use in Iran, we
utilized the network scale-up approach to estimate the prevalence of illicit drug use in the …

O presente relatório, que apresenta os Métodos e Resultados do III LNUD, resulta da
parceria entre a Fundação Oswaldo Cruz (FIOCRUZ) e a Secretaria Nacional de Políticas …

Abstract 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 …

Estimating the size of stigmatized, hidden, or hard-to-reach populations is a major problem
in epidemiology, demography, and public health research. Capture–recapture and multiplier …

One of the many challenges hindering the global response to the human immunodeficiency
virus (HIV)/acquired immunodeficiency syndrome (AIDS) epidemic is the difficulty of …