方法对比
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| 基于实地的滚雪球抽样× | 基于被访者抽样× | |
|---|---|---|
| 领域 | 调查方法论 | 调查方法论 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1961 (foundational); field variant developed through 1970s–1980s ethnographic and hidden population research | 1997 |
| 提出者≠ | Leo A. Goodman (snowball sampling); field adaptation through ethnographic and social network research traditions | Douglas Heckathorn |
| 类型≠ | Non-probability sampling technique | Probabilistic chain-referral sampling design |
| 开创性文献≠ | Goodman, L. A. (1961). Snowball sampling. Annals of Mathematical Statistics, 32(1), 148–170. DOI ↗ | Heckathorn, D. D. (1997). Respondent-driven sampling: A new approach to the study of hidden populations. Social Problems, 44(2), 174–199. DOI ↗ |
| 别名 | in-person snowball sampling, fieldwork chain-referral sampling, field snowball sampling, face-to-face referral sampling | Chain-Referral Sampling, Peer-Referral Sampling, Network-Based Sampling, Katılımcı Güdümlü Örnekleme |
| 相关 | 3 | 3 |
| 摘要≠ | Field-based snowball sampling is a non-probability chain-referral technique in which an initial set of in-person contacts (seeds) recruit further participants from within their real-world social networks, expanding the sample iteratively through face-to-face interaction in naturalistic field settings. It is the default snowball approach in ethnographic and community fieldwork, and is particularly valuable when the target population is hidden, hard-to-reach, or lacks a sampling frame. | Respondent-Driven Sampling (RDS) is a probabilistic chain-referral method designed to reach hidden or hard-to-reach populations that lack a sampling frame. Introduced by sociologist Douglas Heckathorn in 1997, RDS combines snowball recruitment with mathematical weighting based on participants' personal network sizes, allowing researchers to generate population-level estimates even when no complete membership list exists. |
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