Corresponding author:
Melanie Revilla, Research and Expertise Centre for Survey Methodology, University Pompeu Fabra, Merce Rodoreda 24.406, Ramon Trias Fargas, 25-27, 08005 Barcelona, Spain. Email: melanie.revilla@upf.edu
Introduction
Previous research suggests that comparatively long surveys are associated with several negative effects, especially in the case of online surveys. For instance, Crawford et al. (2001) and Marcus et al. (2007) found that a longer announced survey length reduced response rates. Deutskens et al. (2004) found that longer online surveys lead to higher proportions of "don't know" answers and higher break-off rates. Galesic and Bosnjak (2009) found that questions close to the...