Identifying Pertinent Variables for Non-response Follow-Up Surveys. Lessons Learned from 4 Cases in Switzerland KU Leuven
All social surveys suffer from different types of errors, of which one of the most studied is non-response bias. Non-response bias is a systematic error that occurs because individuals differ in their accessibility and propensity to participate in a survey according to their own characteristics as well as those from the survey itself. The extent of the problem heavily depends on the correlation between response mechanisms and key survey ...