Sampling rare populations
Mary Dawood Nurse consultant, St Mary’s Hospital, Imperial College Healthcare NHS Trust, London, UK
Sampling rare populations presents many challenges. In caring for those who experience social exclusion, nurses are well placed to conduct research into these hard-to-reach populations. This article by Mary Dawood discusses some of the sampling methods used
There has long been an acceptance among academics and policy-makers that rare populations are hard to locate (Sudman and Kalton 1986, Kish 1991). Sometimes a sampling frame covering a rare population is available, an example being people with a rare disease. In most cases, however, such frames are unavailable and special sampling techniques are required.
15, 4, 35-41.
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