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| 적응형 층화 표본 추출× | 할당 표본 추출× | |
|---|---|---|
| 분야 | 조사방법론 | 조사방법론 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 1990s (formal development from Thompson 1990 onward) | 1930s |
| 창시자≠ | Steven K. Thompson (adaptive sampling); allocation adaptations by Salehi, Seber, and others | Developed in market research and opinion polling, notably applied by George Gallup in the 1930s |
| 유형≠ | Probability-based adaptive sampling design | Non-probability sampling design |
| 원전≠ | Thompson, S. K. (1990). Adaptive cluster sampling. Journal of the American Statistical Association, 85(412), 1050–1059. DOI ↗ | Moser, C. A., & Kalton, G. (1972). Survey Methods in Social Investigation (2nd ed.). Heinemann. ISBN: 978-0435827496 |
| 별칭≠ | ASS, adaptive stratified design, stratified adaptive sampling, adaptive allocation stratified sampling | quota-controlled sampling, quota selection, non-probability quota sampling |
| 관련≠ | 6 | 5 |
| 요약≠ | Adaptive stratified sampling divides the population into strata and then applies an adaptive rule within each stratum: whenever an initially selected unit satisfies a pre-specified condition (e.g., a rare species is found, a variable exceeds a threshold), neighboring or related units are added to the sample. This combines the variance-reduction power of stratification with the ability to concentrate sampling effort where the phenomenon of interest is actually present. | Quota sampling is a non-probability technique in which the researcher pre-specifies how many units to recruit from each subgroup (quota cell) defined by one or more control variables such as age, gender, or occupation. Interviewers or data collectors then use their own judgment to find and enroll participants until each cell is filled. The method guarantees the sample mirrors the population on the control variables but does not provide the randomness needed for classical statistical inference. |
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