Mixed mode designs are increasingly important in surveys and large longitudinal studies are progressively moving to or considering such a design. In this context our knowledge regarding the impact of mixing modes on data quality indicators in longitudinal studies is sparse. This study tries to...

Using multiple modes to collect data is becoming a standard practice in survey agencies. While this should save costs and decrease non-response error it may have detrimental effects on measurement quality. This can happen because different modes have distinct measurement biases which, when...

This paper examines the role of interviewers' experience, attitudes, personality traits and inter-personal skills in determining survey co-operation. We take the perspective that these characteristics influence interviewers' behaviour and hence influence the doorstep interaction between...

We assess whether the probability of a sample member participating at a particular wave of a panel survey is greater if the same interviewer is deployed as at the previous wave. Previous research on this topic mainly uses non-experimental data. Consequently, a) interviewer change is generally...

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...