Concept information
Preferred term
Nonprobability.AvailabilityNon-probability: Availability
Definition
- The sample selection is based on the units' accessibility/relative ease of access. They may be easy to approach, or may themselves choose to participate in the study (self-selection). Researchers may have particular target groups in mind but they do not control the sample selection mechanism. For example, students leaving a particular building on campus may be approached, or individuals may volunteer to participate in response to invitations that do not target them specifically, but a larger group to which they may belong. Also called "convenience" or "opportunity" sampling.
Notation
- Nonprobability.Availability
URI
http://rdf-vocabulary.ddialliance.org/cv/SamplingProcedure/1.1/#Nonprobability.Availability
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