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Esamina i metodi selezionati fianco a fianco; le righe che differiscono sono evidenziate.
| Campionamento intenzionale online× | Campionamento Intenzionale× | |
|---|---|---|
| Campo | Metodologia delle indagini | Metodologia delle indagini |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1990s–2000s (with growth of internet-based research) | Formalized ~1980–1990 |
| Ideatore≠ | Adaptation of purposive sampling (Patton, 1987) to online/digital research contexts | Michael Quinn Patton (systematic articulation); roots in early qualitative inquiry |
| Tipo≠ | Non-probability qualitative sampling | Non-probability sampling strategy |
| Fonte seminale≠ | Patton, M. Q. (2002). Qualitative Research and Evaluation Methods (3rd ed.). Sage Publications. ISBN: 978-0761919711 | Patton, M. Q. (1990). Qualitative Evaluation and Research Methods (2nd ed.). Sage. ISBN: 978-0803937796 |
| Alias | internet-based purposive sampling, web purposive sampling, online criterion-based sampling, digital purposive sampling | judgmental sampling, selective sampling, criterion-based sampling, purposeful sampling |
| Correlati≠ | 3 | 4 |
| Sintesi≠ | Online purposive sampling applies the logic of criterion-based participant selection to digital recruitment channels — including social media platforms, online communities, email lists, and research recruitment websites. Researchers intentionally seek individuals who possess the characteristics, experiences, or expertise directly relevant to the research question, using internet-based tools to locate and screen them. The method preserves the defining feature of purposive sampling — deliberate selection based on fitness for purpose — while leveraging the reach and accessibility of online environments. | Purposive sampling is a non-probability strategy in which the researcher deliberately selects participants, documents, or cases that are information-rich with respect to the research question. Rather than drawing units at random, the researcher applies explicit criteria aligned with the study's purpose, maximising the depth and relevance of the data collected. It is the default sampling logic in most qualitative research designs and is also used in mixed-methods and applied evaluative work. |
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