snowball sampling

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snowball sampling2016-12-15T03:09:33+00:00

snowball sampling 

snowball sampling image from New Medical Terms

snowball sampling


A popular term for a non-probability sampling technique used to obtain subjects for a study in which the initial cohort is small.

In snowball sampling, participants are asked to name acquaintances* who might be willing to participate in the study.

*Who are within a proverbial “snowball throw’s” distance of the propositus–from whence the name 

Synonyms Chain-referral sampling, chain sampling, referral sampling



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