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Posted by Murph on February 23, 2000 at 15:48:46:
In Reply to: Re: Snowball or Purposive Sampling??? posted by suluan on February 20, 2000 at 03:27:44:
Snowball sampling is "referal" sampling. For example, respondents located randomly or by convenience are asked for and provide referals of like individuals to be approached and qualified to particpate in a research study.
Ofetn deemed acceptable when researching low incidence populations.
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