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GCSE Sociology · key term
Recruiting participants through existing participants who refer the researcher to other suitable people.
Used by AQA and Eduqas
Paper 1, Paper 2
Revise: Research DesignSnowball sampling starts with one or a few participants who refer the researcher to others who fit the study. It can help researchers reach populations without an accessible sampling frame, such as people involved in illegal drug use. Referrals may also help build trust.
Component 2
A technique in which existing participants help a researcher find further participants from the same target population.
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In snowball sampling, a researcher makes contact with an initial participant, builds trust and asks them to help identify other potential participants. Those contacts may then suggest further people.
