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...

The quasi-simplex model makes use of at least three repeated measures of the same variable to estimate its reliability. The model has rather strict assumptions about how various parameters in the model are related to each other. Previous studies have outlined how several of the assumptions of...

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...

Using an experimental design, we compare two alternative approaches to dependent interviewing (proactive and reactive) with traditional independent interviewing on a module of questions about sources of income. We believe this to be the first large-scale quantitative comparison of proactive and...

This report derives from the project ?Improving survey measurement of income and employment (ISMIE)? which investigates measurement error in survey data on income and employment, using a UK sub-sample of the European Household Community Panel (ECHP). In this paper we describe the process of...

Linkages of household survey responses with administrative data may be based on unique individual identifiers or on survey respondent characteristics. The benefits gained from using unique identifiers need to be assessed in the light of potential problems such as non-response and measurement...

We analyse consent patterns and consent bias in the context of a large general household survey, the ?Improving survey measurement of income and employment? (ISMIE) survey, also addressing issues that arise when there are multiple consent questions. Using a multivariate probit regression model...

This paper examines the following rules in the EU-SILC survey, in terms both of the wording of the regulations, and on how these regulations are interpreted and implemented. We pay particular attention to the percentages of the sample re-interviewed following household splits, and assess the...