Item Non-response in the European Social Survey
Koch, Achim; Blohm, Michael (2009)
Item nonresponse is widely considered an important indicator of data quality. It decreases the available sample size for analyses and bears the risk of biased results if the missingness is not at random. The present study ...
How Does Length of Fieldwork Period Influence Non-Response? Findings from ESS 2 in Poland
Sztabiński, Franciszek; Sztabiński, Paweł B.; Przybysz, Dariusz (2009)
In this paper we show how one method of increasing the response rate, i.e. an extension of the fieldwork period, influences the structure of non-response and the differences between respondents and non-respondents. We used ...