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| Online Deviant Case Sampling× | Bequemlichkeitsstichprobe online× | |
|---|---|---|
| Fachgebiet | Umfragemethodik | Umfragemethodik |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1990s–2000s (deviant case strategy); online variant ~2000s–2010s | 1990s–2000s (internet survey era) |
| Urheber≠ | Patton, M. Q. (deviant case strategy); online adaptation via web-based qualitative research practice | Evolved from convenience sampling; internet applications documented from mid-1990s onward |
| Typ≠ | Purposive qualitative sampling strategy (online variant) | Non-probability sampling |
| Wegweisende Quelle≠ | Patton, M. Q. (2002). Qualitative Research and Evaluation Methods (3rd ed.). Sage. [Chapter 5: Purposeful Sampling, deviant/extreme case strategy, pp. 231-234] ISBN: 978-0761919711 | Gosling, S. D., Vazire, S., Srivastava, S., & John, O. P. (2004). Should we trust web-based studies? A comparative analysis of six preconceptions about internet questionnaires. American Psychologist, 59(2), 93–104. DOI ↗ |
| Aliasnamen | online extreme case sampling, internet-based deviant case sampling, online outlier sampling, web-based atypical case sampling | web-based convenience sampling, internet convenience sampling, digital convenience sampling, online accidental sampling |
| Verwandt≠ | 5 | 3 |
| Zusammenfassung≠ | Online deviant case sampling is a purposive qualitative sampling strategy in which the researcher deliberately seeks out and recruits participants who represent extreme, unusual, or outlier instances of the phenomenon under study, using online channels such as forums, social media, specialist communities, or digital registries. It inherits the logic of Patton's deviant (extreme) case sampling and applies it in internet-mediated research contexts where rare or hard-to-reach atypical cases can be located more efficiently than through face-to-face methods. | Online convenience sampling is a non-probability technique in which participants are recruited via internet channels — survey platforms, social media, email lists, or research panels — simply because they are accessible and willing to respond. It is the online analogue of traditional convenience sampling, offering fast, low-cost data collection at the expense of known representativeness. It is among the most widely used approaches in social, behavioral, and health sciences research conducted through web-based surveys. |
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