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	पायलट बहुस्तरीय प्रतिचयन	बहु-चरणीय नमूनाकरण
क्षेत्र	सर्वेक्षण पद्धति	सर्वेक्षण पद्धति
परिवार	Process / pipeline	Process / pipeline
उद्भव वर्ष	Mid-20th century onward	1950s–1960s (formalized in Kish 1965 and Cochran 1977)
प्रवर्तक	Survey methodology tradition; formalized in Kish (1965) and later survey practice literature	Leslie Kish; William G. Cochran
प्रकार	Probability sampling with pilot validation phase	Probability sampling design
मौलिक स्रोत	Kish, L. (1965). Survey Sampling. John Wiley & Sons. ISBN: 978-0471109495	Kish, L. (1965). Survey Sampling. John Wiley & Sons. ISBN: 978-0471109495
उपनाम	pilot MSS, multistage pilot sampling, trial multistage sampling, multistage sampling pilot test	multistage cluster sampling, multi-stage sampling, nested sampling, hierarchical sampling
संबंधित	5	5
सारांश	Pilot multistage sampling applies a small-scale trial run of a multistage sampling design before committing to the full fieldwork. The researcher draws a mini-version of the hierarchical sample — typically spanning the same stages (e.g., regions, then clusters, then individuals) — to test frame quality, stage-transition procedures, and variance estimates, then uses those findings to calibrate the main sampling plan.	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.