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| Adaptive Weighted Sampling× | Mehrstufige Stichprobenziehung – Mehrstufige Klumpenstichprobenziehung× | |
|---|---|---|
| Fachgebiet | Umfragemethodik | Umfragemethodik |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1990s–2000s | 1950s–1960s (formalized in Kish 1965 and Cochran 1977) |
| Urheber≠ | Building on Thompson (1990) adaptive sampling and classical importance-weighting; adaptive weighting formalised across survey and Monte Carlo literature | Leslie Kish; William G. Cochran |
| Typ≠ | Probabilistic sampling procedure | Probability sampling design |
| Wegweisende Quelle≠ | Thompson, S. K. (1990). Adaptive cluster sampling. Journal of the American Statistical Association, 85(412), 1050–1059. DOI ↗ | Kish, L. (1965). Survey Sampling. John Wiley & Sons. ISBN: 978-0471109495 |
| Aliasnamen | AWS, adaptive importance sampling, sequential adaptive weighting, dynamic weighted sampling | multistage cluster sampling, multi-stage sampling, nested sampling, hierarchical sampling |
| Verwandt≠ | 6 | 5 |
| Zusammenfassung≠ | Adaptive weighted sampling is a probabilistic sampling procedure that assigns and iteratively updates inclusion weights for population units based on observed data collected during the sampling process itself. Unlike static weighted sampling — where weights are fixed before data collection from known auxiliary information — adaptive weighting revises probabilities as new information accumulates, concentrating sampling effort on units that contribute most to estimating the target quantity. It is used in survey methodology, simulation studies, and rare-event estimation. | Multistage sampling is a probability-based design that selects a sample by working through two or more successive levels of a population hierarchy — for example, first selecting regions, then districts within those regions, then households within those districts. It makes large-scale surveys practical when a complete population list is unavailable or when the population is geographically dispersed, by concentrating fieldwork within a manageable number of sampled units at each stage. |
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