Encyclopedia of Biostatistics 2005
DOI: 10.1002/0470011815.b2a16070
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Snowball Sampling

Abstract: Snowball sampling is a well‐known, nonprobability method of survey sample selection that is commonly used to locate hidden populations. This method relies on referrals from initially sampled respondents to other persons believed to have the characteristic of interest. Limitations of this approach include nonrandom selection procedures, correlations between network size and selection probabilities, reliance on the subjective judgments of informants, and confidentiality concerns. Advantages include cost and effi… Show more

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Cited by 41 publications
(28 citation statements)
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“…While the findings of this study corroborate and extend earlier findings, there are some limitations (in addition to those noted above) that should be acknowledged and considered when interpreting and generalizing our results. First, although the sampling method included dyads of employees and managers from across a wide range of firms within Singapore, our snowballing approach to collect data may have led to a certain types of sampling bias and therefore limit the confidence we can have in our inferences ( Johnson, 2005 ). Future research should explore the link between control, trust, and outcomes in a more controlled sample.…”
Section: Discussionmentioning
confidence: 99%
“…While the findings of this study corroborate and extend earlier findings, there are some limitations (in addition to those noted above) that should be acknowledged and considered when interpreting and generalizing our results. First, although the sampling method included dyads of employees and managers from across a wide range of firms within Singapore, our snowballing approach to collect data may have led to a certain types of sampling bias and therefore limit the confidence we can have in our inferences ( Johnson, 2005 ). Future research should explore the link between control, trust, and outcomes in a more controlled sample.…”
Section: Discussionmentioning
confidence: 99%
“…A snowballing technique was used to distribute the survey; this method relies on referrals from initially sampled respondents to others who are believed to have the same interest [9]. The survey was e-mailed by the working group and the EC Community members worldwide to utilize their extended networks across medical, nursing and pre-hospital professional groups to invite further participation.…”
Section: Methodsmentioning
confidence: 99%
“…Blog posts were identified using keyword and Boolean search parameters where applicable, followed by snowball sampling, as previously described (Supplemental Methodology). 11,15,29,30 Searches were conducted on Google.ca, Tumblr.com, and Twitter.com. A total of 152 blog posts were identified, posted between January 20 th and April 6 th , 2020.…”
Section: Blog Post Identificationmentioning
confidence: 99%