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Contributions to Statistics
Item nonresponses commonly trouble the large scale surveys and if corrections are performed extra variability is introduced in the sampling errors. When the imputed values are treated as if they were observed the precision of the estimates are generally overstated. Modication of a variance estimator for contemplating item nonresponses is a ticklish issue. There is not a common judgement on which is the best estimation method. Usually the imputation procedure, the variance estimator propertiesdoi:10.1007/978-3-319-05320-2_14 fatcat:j32yccpc5jgfvkxxynjhankxk4