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TY - GEN ID - cogprints5205 UR - http://cogprints.org/5205/ A1 - Armstrong, J. Scott A1 - Overton, Terry S. Y1 - 1977/// N2 - Valid predictions for the direction of nonresponse bias were obtained from subjective estimates and extrapolations in an analysis of mail survey data from published studies. For estimates of the magnitude of bias, the use of extrapolations led to substantial improvements over a strategy of not using extrapolations. TI - Estimating Nonresponse Bias in Mail Surveys SP - 396 AV - public EP - 402 ER -