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Anais Brasileiros de Dermatologia

Print version ISSN 0365-0596On-line version ISSN 1806-4841


MARTINEZ-MESA, Jeovany et al. Sampling: how to select participants in my research study?. An. Bras. Dermatol. [online]. 2016, vol.91, n.3, pp.326-330. ISSN 1806-4841.


In this paper, the basic elements related to the selection of participants for a health research are discussed. Sample representativeness, sample frame, types of sampling, as well as the impact that non-respondents may have on results of a study are described. The whole discussion is supported by practical examples to facilitate the reader's understanding.


To introduce readers to issues related to sampling.

Keywords : Dermatology; Epidemiology and biostatistics; Epidemiologic studies; Sample size; Sampling studies.

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