We conduct two large-scale randomised experiments on the British Household Panel Survey (BHPS) to study methods of reducing panel attrition. The first experiment compares different strategies for tracing and maintaining contact with sample members. We find that change-of-address cards...

We analyse the results of experiments on aspects of the design of questionnaire and interview mode in the 2009 wave of the new UK Understanding Society panel survey. The randomised experiments relate to job- and life-satisfaction questions and vary the labeling of response scales, the mode of...