We review the methods typically used to assess the effects of mode on measurement and data comparability and then discuss some of the challenges, including 1) the need to avoid confounding effects, 2) the sensitivity of conclusions to methods of analysing experimental mode comparison data, 3)...

The study of interviewer-respondent interaction that occurs during an interview can give very useful insights into the cognitive process of answering questions, the social dynamics that develop in an interview context and the way these dynamics ultimately impact data quality. Behaviour coding is...

Incentives in the form of a gift or money are given to survey respondents in the hope that this will increase response rates and possibly also reduce non-response bias. They can also act as a means of thanking respondents for taking part and showing appreciation for the time the respondent has...

This paper evaluates the impact of dependent interviewing (DI) on interviewer burden and data quality using qualitative data collected from a survey carried out in 2006 on the British Household Panel Survey (BHPS) interviewers. We find that: (i) DI has a minor effect on interviewer burden, (ii)...