Journal
JOURNAL OF THE PRACTICE OF CARDIOVASCULAR SCIENCES
Volume 5, Issue 3, Pages 157-163Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/jpcs.jpcs_62_19
Keywords
Sampling; statistics; methods; cluster; snowball
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Sampling is one of the most important factors which determines the accuracy of a study. This article review the sampling techniques used in research including Probability sampling techniques, which include simple random sampling, systematic random sampling and stratified random sampling and Non-probability sampling, which include quota sampling, self-selection sampling, convenience sampling, snowball sampling and purposive sampling.
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