Web surveys versus other survey modes: a meta-analysis comparing response rates
Katja Lozar Manfreda, University of Ljubljana Michael Bosnjak, Free University of Bozen-Bolzano Jernej Berzelak, University of Ljubljana Iris Haas, University of MannheimVasja Vehovar, University of Ljubljana
INTRODUCTION
Web surveys are often discussed as a supplement, sometimes also as an alternative to traditional survey modes where response rates are tending to decline (e.g. de Leeuw & de Heer 2002; Roster et al. 2004; Evans & Mathur 2005). However, also in web surveys there is the problem of...