Snowball Sampling
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Description
A non probability sampling technique in which an initial group of respondents is selected randomly. Subsequent respondents are selected based on the referrals or information provided by the initial respondents. This process may be carried out in waves by obtaining referrals from referrals.
Concept Prerequisite
Wikipedia Reference
http://en.wikipedia.org/wiki/Snowball sampling
Learning Material
Covered in Topic(s)
| Sampling Design & Procedure |