Concept information
优选词，正式主题词
Nonprobability.RespondentAssistedNon-probability: Respondent-assisted
定义
- Sample units are identified from a target population with the assistance of units already selected (adapted from "Public Health Research Methods", ed. Greg Guest, Emily E. Namey, 2014). A typical case is snowball sampling, in which the researcher identifies a group of units that matches a particular criterion of eligibility. The latter are asked to recruit other members of the same population that fulfil the same criterion of eligibility (sampling of specific populations like migrants, etc.).
URI
http://rdf-vocabulary.ddialliance.org/cv/SamplingProcedure/1.1.4/086e080
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