Weighting for Non-Response
نویسنده
چکیده
Non-response is a problem which pervades almost all survey research. This paper reviews ways in which adjustments for the biasing effects of non-response can be made at the analysis stage. The emphasis is practical rather than theoretical. Practical constraints on the choice of weighting method (or whether to weight at all) are discussed, as well as statistical implications and how to assess them, and methods of developing a weighting scheme. Ways of obtaining information about non-respondents, or about the population, are discussed. Some suggestions are made for improving the prevalence and quality of non-response weighting. The discussion is illustrated with real examples from surveys carried out by SCPR.
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