Survey data. Designing surveys acknowledging nonresponse / Robert M. Groves and Mick P. Couper. Methods for obtaining high response rates in telephone surveys / David Cantor and Patricia Cunningham. High response rates for low-income population in-person surveys / Charlene Weiss and Barbara A....

Missing survey data occur because of unit and item non-response. This is practically independent of the method of data collection. As a result of the bias that non-response sometimes introduces in survey estimates, identifying factors that promote it, and taking measures of prevention and...