Cobben, Fannie; Schouten, Barry - 2007
symbols
. = data not available
* = provisional figure
x = publication prohibited (confidential figure)
− = nil or less … response models.
Keywords: mixed mode data collection, nonresponse reduction, nonresponse
adjustment, R-indicator.
1 … variety of reasons, leading to missing data. In interviewer
assisted surveys, the most important reason for nonresponse is a …