Mixing modes and measurement methods in longitudinal studies

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Drawing on evidence from across CLOSER’s longitudinal studies, this workshop will discuss the latest evidence gathered on the effect of mixing modes and measurement methods on response, measurement issues and survey costs. The session will also focus on the implications for analysis of measures collected in different ways either across individuals at the same point in time or within individuals over time. Building on these discussions, the workshop will aim to identify what further research is required in relation to both the design and analysis of mixed mode data collection.

This event is for members of staff at CLOSER's partner organisations only.

Provisional programme

9:00 Registration and coffee

9.30 Welcome (Michaela Benzeval)

Aims of the workshop: share research on best practices for data collection and analysis of mixed mode data

9.40 Overview of the day (Annette Jäckle)

– Brief overview of mixed modes: what does it entail, why employed, what are the issues

– Synthesis of modes used by CLOSER studies

– Outline of the day: different sources of Total Survey Error, cost trade-offs

9.50 – 11.05 Mixed modes and unit/item non-response (Di Kuh)

9.50 Alissa Goodman (NCDS): Effects of web and telephone mixed modes on response rates and item non-response

10.05 Ross Robertson (ALSPAC): Mode of delivery and questionnaire response rate in ALSPAC

10.20 Alessandra Gaia (UKHLS): Effect of modes on attrition

10.35 Lisa Calderwood (Next Steps): Effects of mode on field effort and representativity

10.50 Discussion

11.05 Coffee

11.15 – 12.15 Mixed modes and survey costs (Alissa Goodman)

11.15 Lisa Calderwood (Next Steps): Incentive experiment to boost web response

11.25 Jon Burton (UKHLS): Fieldwork experiments to boost web response

11.35 Mick Couper (University of Michigan), Annette Jäckle (UKHLS), Michaela Benzeval (UKHLS): costs versus price, fixed versus variable costs, new ways of dealing with cost uncertainties

11.50 Discussion and sharing experiences

12.15 Lunch

13.00 – 14.05 Effects of mixed modes on measurement (Janis Baird)

13.00 Annette Jäckle (UKHLS): Short intro: why expect measurement effects?

13.05 Matt Brown (NCDS): Measurement differences between web and telephone

13.20 Debbie Collins (NatCen): Coding risk factors for measurement effects in web versus face-to-face interviews

13.35 Annette Jäckle (UKHLS): measurement versus selection in measurement differences between web and face-to-face

13.50 Discussion

14.05 Coffee

14.15 – 14.55 Developing guidance for data users (Rebecca Hardy)

14.15 Peter Lynn (UKLHS): Adjustments for selective non-response by mode (weighting, imputation)

14.25 Paul Clark (UKHLS): Adjustments for measurement differences between modes

14.35 Discussion

14.55 – 15.30 Consent to administrative data linkage (Alison Park)

14.55 Lisa Calderwood (Next Steps): Asking for consent in a mixed mode study – issues and outcomes

15.05 Jon Burton (UKHLS): Results for web/face-to-face linkage consent questions in the Innovation Panel

15.15 Discussion

15.30 – 16.15 Key research needs (Mick Couper)

15.30 Discussion

16.15 Close

This event is for members of staff at CLOSER’s partner organisations only.