Fannie Cobben | B. Schouten A follow-up with basic questions of nonrespondents to the Dutch labour force survey
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From July to December 2005 a large scale follow up of nonrespondents in the Dutch Labour Force Survey (LFS) was conducted at Statistics Netherlands. In the study a sample of nonrespondents in the LFS was approached once more with strongly condensed CATI, web and paper questionnaires containing only the key questions of the LFS; the basic-question approach. We analysed the additional response obtained in the basic-question approach and compared the composition of this group to the LFS response. There were no large differences between the two groups. We had to conclude that the mixed mode design of the basic-question approach influenced the composition of the response. When we restricted the analysis to households with a listed, land-line telephone we found that the basic question-respondents are different from the regular LFS respondents and similar to the remaining nonrespondents. When we only regarded the CATI group, the combined response of LFS and basic-question approach became more representative with respect to the auxiliary variables in the response models