WebMay 12, 2011 · Abstract: Indoor location systems based on IEEE 802.11b (WiFi) mobile devices often rely on the received signal strength indicator to estimate the user position. … WebMar 22, 2024 · We provided an overview of sampling methods for hard-to-reach populations and guidance on implementing one of the most popular approaches: ... Semaan S. Time-Space Sampling and Respondent-Driven Sampling with Hard-to-Reach Populations. Methodological Innovations Online. 2010;5(2):60–75.
Respondent Driven Sampling
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Typology of club drug use among young adults recruited using time–space …
WebMar 1, 2010 · The present study examined patterns of recent club drug use among 400 young adults (18–29) recruited using time–space sampling in NYC. Subjects had used at … WebNov 5, 2013 · Time-space sampling (TSS) (also known as time-location sampling or as venue-based sampling) is a probability-based sampling method of defined populations … WebPioneered by the CDC in 1994, venue-based, time space sampling has been used in several research studies to obtain large and diverse samples of young and minority MSM.25-27 … burrow prospect dresser