We examine whether propensity to participate in a web-CAPI mixed-mode survey is influenced by being contacted by email in addition to mail. In panel surveys, researchers can ask at each wave for an email address, but there is little evidence regarding the value of doing so. Using data from a...

Mixed modes (MM) are receiving increased interest as a possible solution for saving costs in panel surveys, although the lasting effects on data quality are unknown. To better understand the effects of MM on panel data I will examine its impact on random and systematic error and on estimates of...

This paper presents some preliminary findings from Wave 6 of the Innovation Panel (IP6) of Understanding Society: The UK Household Longitudinal Study. Understanding Society is a major panel survey in the UK. In March 2013, the sixth wave of the Innovation Panel went into the field. IP6 used a...

This paper presents some preliminary findings from the Wave 4 Innovation Panel (IP4) of Understanding Society: The UK Household Longitudinal Study. Understanding Society is a major new panel survey for the UK. In March 2011, the fourth wave of the Innovation Panel was fielded. This paper...

This paper presents some preliminary findings from the Wave 3 Innovation Panel (IP3) of Understanding Society: The UK Household Longitudinal Study. Understanding Society is a major new panel survey for the UK. In April 2010, the third wave of the Innovation Panel was fielded. This paper...

This analysis examines Innovation Panel Wave 3 (IP3) data concerning the collection of information on household wealth. We compare household savings and investment obtained from four different questionnaire designs against the UK Wealth and Assets Survey (WAS) and the original British Household...

New survey content for Wave 3 of Understanding Society includes social networks, non-resident relationships, and a variety of cognitive functioning measures.  This report evaluates these items using cognitive testing.  A key focus is on respondents who are non-native English speakers....

Understanding Society is a new survey of 40,000 UK households, comprising approximately 100,000 individuals . It will be the largest household panel survey in the world, thus an important instrument for social and economic research, and it is expected to follow up and interview the members of...

This article describes a randomised experiment with mixed-mode survey designs in the context of a household panel survey. The experiment was designed to allow comparisons between two alternative mixed-mode designs (telephone interviewing plus face-to-face interviewing) and a unimode design...

This paper presents some preliminary findings from the Wave 2 Innovation Panel (IP2) of Understanding Society: The UK Household Longitudinal Study. Understanding Society is a major new panel survey for the UK. In April 2009, the second wave of the Innovation Panel was fielded. This paper...