
Survey researcher at @gesis_org | Co-PI of @FredaPanel
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ALT Gray background with blue text. Presenting Freda. Hear presentations that use Freda data at the ESRA conference. On 19 July 2023, hear the presentation Empirical Fact or Measurement Failure? How to Interpret the Category 'Diverse' and Respondents Deviating in their Answer Regarding their Sex from the Population Register Information? from Detlev Lück. Then, hear Reliability of Google Trends Data: A Study on the Feasibility of Re-Sampling Strategies for Non-realtime Data from Anne-Sophie Oehrlein. On 20 July 2023 hear Concurrent, Web-first, Push-to-web or Web-only? How different mode choice sequences perform in recruiting participants into a self-administered mixed-mode panel study from Pablo Christmann.















