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Sampling and estimation techniques for the implementation of new classification systems: the change-over from NACE Rev. 1.1 to NACE Rev. 2 in business surveys
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Relating question type to panel conditioning: comparing trained and fresh respondents
Nonresponse in the recruitment of an internet panel based on probability sampling
Oversampling in relation to differential regional response rates
The Three-Step Test-Interview (TSTI): an observation-based method for pretesting self-completion questionnaires
Measurement and adjustment of non-response bias based on non-response surveys: the case of Belgium and Norway in the European Social Survey Round 3
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Incentives and ethnic minorities: results of a controlled randomized experiment in the Netherlands
An evaluation of the weighting procedures for an online access panel survey