Comments on „Probability vs. Nonprobability Sampling:From the Birth of Survey Sampling to the Present Day” by Graham Kalton
Comments on „Probability vs. Nonprobability Sampling:From the Birth of Survey Sampling to the Present Day” by Graham Kalton

Summary/Abstract: I would like to congratulate Professor Graham Kalton for his significant and inspiring article entitled as "Probability vs. Nonprobability Sampling: From the Birth of Survey Sampling to the Present Day". The article provides an elegant overview of the history of survey sampling, covering the purposive approaches that dominated the sampling field in the early days but from the 1940s, at least in official statistics, were gradually replaced entirely by probability-based approaches. Today we may be facing a paradigm shift again, but the direction is the opposite. Non-probability-based approaches are becoming viable, if not the only option, in fields that are moving towards big data and other new data sources and new methodological approaches.

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