Chapter 4 · Sampling · Slide 127/274
Snowball Sampling also chain sampling
Technique 4
4.1 · Non-probability Sampling
Technique 4
Snowball Sampling also chain sampling
1The first group of respondents is (usually) selected randomly.
2After the interview, they name additional people from the target group.
3Subsequent respondents are selected through referrals.
Good for locating rare characteristics: hard-to-reach respondents (public officials, executives, homeless people, drug addicts), rarely occurring traits, buyer-seller pairs in industrial research.
QUESTIONSTAR · Dr. Paul Marx
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