পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| অভিযোজিত স্তরবিন্যস্ত নমুনাচয়ন (Adaptive Stratified Sampling)× | আনুপাতিক স্তরিত নমুনায়ন× | |
|---|---|---|
| ক্ষেত্র | জরিপ পদ্ধতি | জরিপ পদ্ধতি |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1990s (formal development from Thompson 1990 onward) | 1953–1965 (formalized in survey sampling literature) |
| প্রবর্তক≠ | Steven K. Thompson (adaptive sampling); allocation adaptations by Salehi, Seber, and others | William G. Cochran; Leslie Kish |
| ধরন≠ | Probability-based adaptive sampling design | Probability sampling design |
| মৌলিক উৎস≠ | Thompson, S. K. (1990). Adaptive cluster sampling. Journal of the American Statistical Association, 85(412), 1050–1059. DOI ↗ | Cochran, W. G. (1977). Sampling Techniques (3rd ed.). John Wiley & Sons. ISBN: 978-0471162407 |
| অপর নাম | ASS, adaptive stratified design, stratified adaptive sampling, adaptive allocation stratified sampling | proportionate stratified sampling, proportional allocation stratified sampling, PSRS, proportionate stratified random sampling |
| সম্পর্কিত | 6 | 6 |
| সারসংক্ষেপ≠ | 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. | Proportional stratified sampling divides the target population into non-overlapping strata (subgroups defined by a key characteristic such as age band, region, or gender) and then draws a simple random sample from each stratum so that each stratum's share of the total sample matches its share of the total population. Because each subgroup is represented in exact proportion to its population weight, the resulting sample mirrors the population structure closely without requiring post-hoc weighting adjustments. |
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