Term | Definition and tradition-specific variations |
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Sampling | The selection of specific data sources from which data are collected in order to address the research objectives |
In grounded theory | What is selected (i.e., the sampling unit) in theoretical sampling is unclear or inconsistent between authors (i.e., it may not simply be data sources) |
In phenomenology | What is selected is restricted to people only (i.e., a single type of data source) |
In case study | What is selected includes cases (i.e., in addition to data sources) |