Research
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For more than ten years my research focusses on survey methodology. Most studies are Web experiments on the implementation and design of online questionnaires and the impact of rating scales on data quality (e.g., using the free Web service VAS Generator).

2018
2016
2015
conferences
51 Funke, F. & Toepoel, V. (2015, July). Higher item nonresponse rates caused by slider scales in Web surveys. Paper presented at the 6th conference of the European Survey Research Association (ESRA), Reykjavík (Iceland).
50 Funke, F. & Borger, C. (2015, March). Responsive questionnaire design for higher data quality in mobile surveys. Paper presented at the 16th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Cologne (Germany).
49 Funke, F. & Toepoel, V. (2015, March). Click, touch, slide: Impact of the implementation of graphical rating scales on data quality in mobile and desktop settings. Paper presented at the 16th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Cologne (Germany).
2014
conferences
48 Toepoel, V. & Funke, F. (2014, May). Investigating response quality in mobile, tablet, and desktop surveys: A comparison of radio buttons, visual analogue scales, and slider scales. Paper presented at the 69th conference of the American Association for Public Opinion Research (AAPOR), Anaheim, CA (U.S.A.).
47 Funke, F. & Göritz, A. S. (2014, March). The use of paradata to predict future cooperation in a panel study. Poster presented at the 16th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Cologne (Germany).
2013
conferences
46 Funke, F. (2013, July). Effect of slider scales in Web surveys: Lower data quality and biased sample composition compared to measurement with visual analogue scales or radio button scales. Paper presented at the 5th conference of the European Survey Research Association (ESRA), Ljubljana (Slovenia).
45 Gebhard, F., Blom, A. Gschwend, T., & Funke, F. (2013, July). Measuring political placement on a left-right scale: Radio buttons, sliders, midpoints and question order effects. Paper presented at the 5th conference of the European Survey Research Association (ESRA), Ljubljana (Slovenia).
44 Blom, A., Bossert, D., Funke, F., Gebhard, F., Holthausen, A., & Krieger, U. (2013, March). Nonresponse and nonresponse bias in a probability-based Internet panel. Paper presented at the 15th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Mannheim (Germany).
43 Funke, F. (2013, March). HTML5 and mobile Web surveys: A Web experiment on new input types. Poster presented at the 15th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Mannheim (Germany).
2012
conferences
42 Bosnjak, M., Becker, K. R., Poggio, T., Funke, F., Wachenfeld, A., & Fischer, B. (2012, November). Mobile survey participation rates in commercial market research panel: A meta-analysis. Paper presented at ISM Workshop on Internet Survey Methodology, Ljubljana (Slovenia).
39 Funke, F. (2012, March). Internet-based measurement with visual analogue scales: An experimental investigation. Paper presented at the 14th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Mannheim (Germany).
2011
conferences
36 Funke, F. (2011, November). Web-based rating scales: HTML 5 and other innovation. Paper presented at the 2nd WEBDATANET meeting, Amsterdam (The Netherlands).
35 Funke, F. (2011, August). Ignoring the compatibility of Web surveys may bias the psychological composition of your sample. Paper presented at the 5th Internet Survey Methodology Workshop, The Hague (The Netherlands).
32 Funke, F., Reips, U.-D., & Thomas, R. K. (2011, March). Slider scales causing problems with less educated respondents. Paper presented at the 13th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Düsseldorf (Germany).
2010
conferences
31 Funke, F., & Reips, U.-D. (2010, July). Detecting small effects with visual analogue scales. Paper presented at the XVII ISA World Congress of Sociology, Gothenburg (Sweden).
Travel funding by German Academic Exchange Service
30 Funke, F., & Reips, U.-D. (2010, May). Formatting error with ordinal rating scales and visual analogue scales. Paper presented at the 12th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Pforzheim (Germany).
29 Funke, F., & Reips, U.-D. (2010, May). Increase statistical power with visual analogue scales. Poster presented at the 12th General Online Research (G.O.R.) conference of the German Society for Online Research (D.G.O.F.), Pforzheim (Germany).
28 Funke, F., & Reips, U.-D. (2010, April). Better measurement with visual analogue scales: A Web experiment. Poster presented at the first joint meeting of the Experimental Psychology Society (EPS) and the Spanish Experimental Psychological Society (SEPEX), Granada (Spain).
2009
conferences
27 Funke, F., & Reips, U.-D. (2009, November). Making small effects observable: Lowering error with visual analogue scales. Poster presented at the 39rd conference of the Society for Computers in Psychology (SCiP), Boston, MA (USA).
26 Funke, F., & Reips, U.-D. (2009, September). Internet survey methods: Evolutions and Revolutions. Paper presented at the 1st International Workshop on Internet Survey, Deajeon (South Korea).
25 Funke, F., & Reips, U.-D. (2009, September). Yes, VASs can! Visual analogue scales for Web-based research. Paper presented at the 2009 ISM Workshop on Internet Survey Methodology, Bergamo (Italy).
2008
conferences
2007
conferences
13 Fuchs, M., & Funke, F. (2007, September). Video Web surveys: Results from field-experimental comparisons with text-based Web surveys. Paper presented at the 2007 Workshop on Internet Survey Methodology, Lillehammer (Norway).
12 Funke, F. (2007, September). Data from visual analogue scales: Quality and comparison to categorical scales. Paper presented at the 2007 Workshop on Internet Survey Methodology, Lillehammer (Norway).
2006
conferences
2005
conferences
2004
conferences