To date, face-to-face interviewing has been the primary mode of data collection for Understanding Society. There may be advantages in instead collecting data online where possible. Primarily, this should bring a reduction in data collection costs. There are, however, concerns that response rates...

This study draws on two previously-separate strands of methodological research, one on the effect of the content of letters to sample members on response rates, and one on targeted respondent communications. We test targeted appeals in prenotification and invitation letters in a panel survey,...

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...

Targeted response inducement strategies involve varying features of survey design between sample subgroups in a way that is anticipated to achieve the best trade-off between costs and non-response. The features could include prenotification letters, incentives, between-wave mailings, website...

We consider the effect of a wave of mixed-mode data collection (telephone and face-to-face), in an otherwise face-to-face survey, on panel attrition and the extent to which this effect is dependent on the nature of the mode-switch protocol.  Findings are reported from an experiment. One...

Web surveys generally produce higher item nonresponse than face-to-face administration.This study examines alternative forms of motivational statements to reduce item nonresponsein a web survey, using an experiment in the UKHLS Innovation Panel. Findings show that amotivational statement...

Im vorliegenden Beitrag werden ökologische und ökonomische Auswirkungen nachhaltiger Konsumweisen im Kontext der Collaborative Economy untersucht. Detaillierte Szenariobeschreibungen von flexiblem Carsharing liefern Daten für eine ökonomisch und ökologisch quantitative Bewertung. Die...

Switzerland committed to achieving net-zero emissions in 2050. This goal is particularly ambitious for the Swiss passenger transport system, which emits more than one third of Swiss CO2 emissions, and is not yet on a clear emission reduction path. We investigate the economic impact and the...