On the Validity of Inferences from Non‐Random Samples

On the Validity of Inferences from Non‐Random Samples

SUMMARY Random sampling schemes satisfy the conditions for ignoring the selection mechanism in a model‐based approach to inference in an observational study, such as a sample survey. In many studies non‐random sampling is employed. Conditions for ignoring non‐random selection mechanisms are examined...

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Veröffentlicht in:Journal of the Royal Statistical Society, Series a (General) Series a (General), 1983-01, Vol.146 (4), p.394-403
1. Verfasser: Smith, T. M. F.
Format: Artikel
Sprache:eng
Schlagworte:
model‐based inference
non‐random sampling
observational study
quota sampling
randomization
selection
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Zusammenfassung:SUMMARY Random sampling schemes satisfy the conditions for ignoring the selection mechanism in a model‐based approach to inference in an observational study, such as a sample survey. In many studies non‐random sampling is employed. Conditions for ignoring non‐random selection mechanisms are examined. Particular attention is paid to post‐statification and to quota sampling.
ISSN:0035-9238
0964-1998
2397-2327
DOI:10.2307/2981454