Abstract #302182

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JSM 2003 Abstract #302182
Activity Number: 290
Type: Contributed
Date/Time: Tuesday, August 5, 2003 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #302182
Title: Estimation for Link-Tracing Sampling Designs
Author(s): Michael Kwanisai*+
Companies: Pennsylvania State University
Address: 849 Ashworth Ln., Boalsburg, PA, 16827-1691,
Keywords: snowball sampling ; random walk
Abstract:

Link-tracing designs have been used in sampling hidden and/or hard-to-detect populations. In studies of HIV/AIDS, drug users, and such other sensitive populations, subjects are included into the sample by following relations from one subject to the other. Sampling in these populations can be modeled as a graph. We discuss some commonly used link-tracing designs and associated estimation methods.

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