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...

Respondents in long telephone survey interviews may adopt satisficing strategies as they approach the end of the questionnaire (Holbrook, Green and Krosnick, 2003). However, there is inconsistency regarding the relationship between questionnaire length and different forms of satisficing. We...

It is common practice to adapt the format of a question to the mode of data collection. Multi-coded questions in self-completion and face-to-face modes tend to be transformed for telephone into a series of 'yes/no' questions. Questions with response scales are often branched in telephone...

We examine the effects on survey estimates of extended interviewer efforts to gain survey response, including refusal conversion attempts and attempts to make contact with hard-to-contact sample members. Specifically, we update and extend the research of Lynn & Clarke (2002). We estimate bias...

Little is known about the effect of seeking debt advice on borrowers' well-being. To estimate this effect, we designed a randomised encouragement intervention for a new sample of over-indebted people in Britain who had not sought debt advice in the previous six months. Being encouraged to seek...