نتایج جستجو برای: respondent driven sampling
تعداد نتایج: 438067 فیلتر نتایج به سال:
Researchers in many scientific fields make inferences from individuals to larger groups. For many groups however, there is no list of members from which to take a random sample. Respondent-driven sampling (RDS) is a relatively new sampling methodology that circumvents this difficulty by using the social networks of the groups under study. The RDS method has been shown to provide unbiased estima...
In many countries, HIV/AIDS infections are concentrated in 3 high-risk groups: injection drug users, sex workers, and men who have sex with men. Accurate information about disease prevalence and risk behaviors in these groups is therefore critical for designing and evaluating HIV prevention programs. Respondent-driven sampling (RDS) is a relatively new method that allows researchers to collect ...
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