snowball sampling


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snowball sampling

a method whereby the names of prospective interview subjects for a statistical study are obtained from subjects already interviewed for the study.

snowball sampling

a method of obtaining subjects for a study by soliciting names of potential subjects from those participating in the study.
A popular term for a method used to obtain subjects for a study in which the initial cohort is small; in SS, participants are asked to name acquaintances who might be willing to participate in the study
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Snowball sampling technique was used because the exact quantity of eunuch population is unknown.
Snowball sampling is a technique where existing study subjects recruit future subjects from among their acquaintances.
Snowball sampling procedure belongs to the group of ascendant methodologies characterised by its straightforwardness to reach participants who would otherwise be difficult to get (Van Meter, 1990).
Snowball sampling uses a small pool of initial informants to nominate, through their social networks, other participants who meet the eligibility criteria and could potentially contribute to a specific study.
To reach this hidden population, the Council used a recruitment strategy called snowball sampling, in which participants randomly recruit peers from their personal networks.
Snowball sampling, where participants refer potential participants who they know, is another useful technique.
Participants in this study were recruited through convenience sampling and snowball sampling.
For an exploratory, qualitative and descriptive research, which respondents are few in number, snowball sampling is highly recommended.
RDS and other types of snowball sampling make use of existing social networks.
Snowball sampling is a non-probability strategy used in this study.
Besides, there are survey techniques available like respondent driven sampling (RDS), time location cluster sampling, snowball sampling, capture recapture sampling and inverse sampling for estimation of hidden population or diseases which are rare in nature.