Journal
ANAIS BRASILEIROS DE DERMATOLOGIA
Volume 91, Issue 3, Pages 326-330Publisher
SOC BRASILEIRA DERMATOLOGIA
DOI: 10.1590/abd1806-4841.20165254
Keywords
Dermatology; Epidemiology and biostatistics; Epidemiologic studies; Sample size; Sampling studies
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Background: 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. Objective: To introduce readers to issues related to sampling.
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