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| Otežano uzorkovanje snježne grude× | Uzorak temeljen na ispitanicima× | |
|---|---|---|
| Područje | Metodologija anketa | Metodologija anketa |
| Obitelj | Process / pipeline | Process / pipeline |
| Godina nastanka | 1997 | 1997 |
| Tvorac≠ | Douglas D. Heckathorn (formal probability-weighted variant) | Douglas Heckathorn |
| Vrsta≠ | Probability-adjusted chain-referral sampling | Probabilistic chain-referral sampling design |
| Temeljni izvor | Heckathorn, D. D. (1997). Respondent-driven sampling: A new approach to the study of hidden populations. Social Problems, 44(2), 174–199. DOI ↗ | Heckathorn, D. D. (1997). Respondent-driven sampling: A new approach to the study of hidden populations. Social Problems, 44(2), 174–199. DOI ↗ |
| Drugi nazivi | weight-adjusted chain-referral sampling, probability-weighted snowball sampling, WSS, weighted referral sampling | Chain-Referral Sampling, Peer-Referral Sampling, Network-Based Sampling, Katılımcı Güdümlü Örnekleme |
| Srodne≠ | 5 | 3 |
| Sažetak≠ | Weighted snowball sampling is a chain-referral technique in which participants recruit peers from a hidden or hard-to-reach population, and differential inclusion probabilities are estimated and corrected through statistical weights. Unlike basic snowball sampling, the weighting step allows approximately unbiased population estimates, bridging the gap between convenience-driven recruitment and probability-based inference. | 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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