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%T Prenotification in web-based access panel surveys: the influence of mobile text messaging versus e-mail on response rates and sample composition %A Bosnjak, Michael %A Neubarth, Wolfgang %A Couper, Mick P. %A Bandilla, Wolfgang %A Kaczmirek, Lars %J Social Science Computer Review %N 2 %P 213-223 %V 26 %D 2008 %K Prenotification; SMS %@ 0894-4393 %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-449759 %X To compare the effectiveness of different prenotification and invitation procedures in a webbased three-wave access panel survey over 3 consecutive months, we experimentally varied the contact mode in a fully crossed two-factorial design with (a) three different prenotification conditions (mobile short messaging service [SMS], e-mail, no prenotice) and (b) two “invitation and reminder" conditions (SMS, e-mail). A group with nearly complete mobile phone coverage was randomly assigned to one of these six experimental conditions. As expected, SMS prenotifications outperformed e-mail prenotifications in terms of response rates across all three waves. Furthermore, e-mail invitation response rates outperformed those for SMS invitations. The combination of SMS prenotification and e-mail invitation performed best. The different experimental treatments did not have an effect on the sample composition of respondents between groups. (author's abstract) %C USA %G en %9 Zeitschriftenartikel %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info