snowball sample


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Related to snowball sample: quota sample, Simple random sample

snowball sample

A group of research subjects who help, through word of mouth or casual contact, to select other research subjects.
See also: sample
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Similarly, the locators for Ethiopian and Eritrean groups started snowball samples through organisations, acquaintances and friends, as well as in open meetings in East African communities in Stockholm, Gothenburg and Malmo, the three largest cities in Sweden.
A purposive (Lincoln and Guba, 1985) sample was built for key informants (executive director, union president, key managers and workers) while a snowball sample of front-line staff was built in two of the three sites.