Jessica Daikeler|Michael Bošnjak|Katja Lozar Manfreda
Web Versus Other Survey Modes: An Updated and Extended Meta-Analysis Comparing Response Rates
GESIS - Leibniz-Institute for the Social Sciences|Leibniz Institute for Psychology|University of Ljubljana
abstract web surveys still yield lower response rates compared survey modes answer question replicated extended metaanalysis done 2008 found based 45 experimental comparisons web surveys 11 percentage points lower response rate compared survey modes fundamental changes internet accessibility use since publication original metaanalysis would suggest peoples propensity participate web surveys changed considerably meantime however replication extension study comprised 114 experimental comparisons web survey modes found almost change web surveys still yielded lower response rates modes difference 12 percentage points response rates furthermore found prenotifications sample recruitment strategy surveys solicitation mode type target population number contact attempts country survey conducted moderated magnitude response rate differences findings substantial implications web survey methodology operations