
Credit: Katrin Glückler
Dr. Tobias Rettig
Head of operations
University of Mannheim
UB, Research Data Center, GIP
Schloss – Room SN 270
68161 Mannheim
UB, Research Data Center, GIP
Schloss – Room SN 270
68161 Mannheim
Employment History and Education
Employment History
Month/ Year Activity 01/ 22 – present Head of Operations
University of Mannheim
Team German Internet Panel01/ 18 – 09/ 22 Doctoral Candidate
University of Mannheim
Collaborative Research Centre 884 “Political Economy of Reforms”
Team German Internet Panel04/ 16 – 09/ 16 Tutor
Methods of Empirical Social Research
University of Bremen
Department 11 (Human and Health Sciences)10/ 14 – 03/ 15 Tutor
Inference statistics
Friedrich-Schiller-University Jena
Faculty of Social and Behavioural Sciences08/ 14 – 09/ 14 Internship
Municipal Statistical Office, Rostock04/ 14 – 07/ 14 Tutor
Descriptive Statistics
Friedrich-Schiller-University Jena
Faculty of Social and Behavioural SciencesEducation
Month/ Year Activity 01/ 18 – 9/ 22 Doctoral Student
University of Mannheim
Thesis: „Respondent and Response Behavior in Online Panel Surveys“
Supervisor: Prof. Annelies G. Blom, PhD04/ 19 – 05/ 19 Visiting Researcher
University of Utrecht, Netherlands
Faculty of Social and Behavioural Sciences
Department of Methodology and Statistics10/ 15 – 12/ 17 M.A. Sociology and Social Research
University of Bremen
Thesis: “Response Style Bias in the European Social Survey. A Latent Class Factor Analysis Approach”10/ 12 – 09/ 15 B.A. Sociology (major subject) & Psychology (minor subject)
Friedrich-Schiller-University Jena
Thesis: “Data Quality in Online-Studies” (German)Publications
Book Chapter
- Juhl, S., Lehrer, R., Blom, A. G., Wenz, A., Rettig, T., Krieger, U., Fikel, M., Cornesse, C., Naumann, E., Möhring, K., & Reifenscheid, M. (2022). Preferences for Centralized Decision-Making in Times of Crisis: The COVID-19 Pandemic in Germany. In J. Sauermann, M. Tepe, & M. Debus (Eds.), Jahrbuch für Handlungs- und Entscheidungstheorie. Springer VS, Wiesbaden. https://doi.org/10.1007/978-3-658-35878-5_1
- Rettig, T. & Blom, A. G. (2021). Memory Effects as a Source of Bias in Repeated Survey Measurement. In A. Cernat & J. W. Sakshaug (Eds.), Measurement Error in Longitudinal Data (pp. 3–18). Oxford, UK: Oxford University Press.
Journal Articles
- Rettig, T. & Blom, A. (2024). Investigating Respondent Attention to Experimental Text Lengths, Journal of Survey Statistics and Methodology. https://doi.org/10.1093/jssam/smad044
- Rettig, T. & Struminskaya, B. (2023). Memory Effects in Online Panel Surveys: Investigating Respondents’ Ability to Recall Responses from a Previous Panel Wave. Survey Research Methods. https://doi.org/10.18148/srm/2023.v17i3.7991
- Cornesse, C., Blom, A. G., Sohnius, M., Gonzalez Ocanto, M., Rettig, T., & Ungefucht, M. (2023). Experimental Evidence on Panel Conditioning Effects when Increasing the Surveying Frequency in a Probability-Based Online Panel. Survey Research Methods. https://doi.org/10.18148/srm/2023.v17i3.7990
- Gummer, T., Kunz, T., Rettig, T., & Höhne, J. K. (2023). How To Detect and Influence Looking Up Answers to Political Knowledge Questions in Web Surveys? Public Opinion Quarterly, nfad027. https://doi.org/10.1093/poq/nfad027
- Gummer, T., Höhne, J. K., Rettig, T., Roßmann, J., & Kummerow, M. (2023). Is there a growing use of mobile devices in web surveys? Evidence from 128 web surveys in Germany. Quality & Quantity. https://doi.org/10.1007/s11135-022-01601-8
- Cornesse, C., Gonzalez Ocanto, M., Fikel, M., Friedel, S., Krieger, U., Rettig, T., & Blom, A. G. (2022). Measurement instruments for fast and frequent data collection during the early phase of COVID-19 in Germany: reflections on the Mannheim Corona Study. Measurement Instruments for the Social Sciences, 4(2). https://doi.org/10.1186/s42409-022-00030-5
- Cornesse, C., Krieger, U., Sohnius, M.-L., Fikel, M., Friedel, S., Rettig, T., Wenz, A., Juhl, S., Lehrer, R., Möhring, K., Naumann, E., Reifenscheid, M., & Blom, A. G. (2022). From German Internet Panel to Mannheim Corona Study: Adaptable probability-based online panel infrastructures during the pandemic. Journal of the Royal Statistical Society: Series A (Statistics in Society), 185(3), 773–797. https://doi.org/10.1111/rssa.12749
- Revilla, M., Höhne, J. K., & Rettig, T. (2022). Differences in measurement quality depending on recall: results for a question about trust in the parliament. Quality & Quantity.https://doi.org/10.1007/s11135-022-01441-6
- Blom, A. G., Wenz, A., Cornesse, C., Rettig, T., Fikel, M., Friedel, S., Möhring, K., Naumann, E., Reifenscheid, M., & Krieger, U. (2021). Barriers to the Large-Scale Adoption of a COVID-19 Contact Tracing App in Germany: Survey Study. Journal of Medical Internet Research, 23(3), e23362. doi:10.2196/23362
- Möhring, K., Naumann, E., Reifenscheid, M., Wenz, A., Rettig, T., Krieger, U., Friedel, S., Fikel, M., Cornesse, C., & Blom, A. G. (2021). The COVID-19 Pandemic and Subjective Well-being: Longitudinal Evidence on Satisfaction with Work and Family. European Societies, 23(S1), S601–S617. doi:10.1080/14616696.2020.1833066
- Naumann, E., Möhring, K., Reifenscheid, M., Wenz, A., Rettig, T., Lehrer, R., Krieger, U., Juhl, S., Friedel, S., Fikel, M., Cornesse, C., & Blom, A. G. (2020). COVID‐19 Policies in Germany and Their Social, Political, and Psychological Consequences. European Policy Analysis, 6(2), 191–202. doi:10.1002/epa2.1091
- Blom, A. G., Cornesse, C., Friedel, S., Krieger, U., Fikel, M., Rettig, T., Wenz, A., Juhl, S., Lehrer, R., Möhring, K., Naumann, E., & Reifenscheid, M. (2020). High Frequency and High Quality Survey Data Collection: The Mannheim Corona Study. Survey Research Methods, 14(2), 171–178. doi:10.18148/srm/2020.v14i2.7735
Reviews
- Field Methods
- Measurement Instruments for the Social Sciences
- Methods, Data, Analyses
- Swiss Political Science Review
- Journal of Official Statistics
Conferences and Workshops
Presentations
07/ 2023 “Memory Effects in Online Panel Surveys: Investigating Respondents’ Ability to Recall Responses from a Previous Panel Wave”
Presentation at the European Survey Research Association (ESRA) 2023 Conference, Milano, Italien09/ 2021 “Relationships Between Variables in Probability-based and Nonprobability Online Panels”
Presentation at the General Online Research (GOR) 2021 Conference (Online)07/ 2021 “Associations in Probability-based and Nonprobability Online Panels: Evidence on Bivariate and Multivariate Analyses”
Presentation at the European Survey Research Association (ESRA) 2021 Conference (Online)07/ 2019 “Investigating Respondents’ Ability to Recall Previous Responses to Different Types of Questions in a Probability-Based Online Panel”
Presentation at the European Survey Research Association (ESRA) 2019 Conference, Zagreb, Croatia07/ 2019 “How Much Text is Too Much? Assessing Respondent Attention to Instruction Texts Depending on Text Length”
Presentation at the European Survey Research Association (ESRA) 2019 Conference, Zagreb, Croatia03/ 2019 “Recalling Survey Answers: A Comparison Across Question Types and Different Levels of Panel Experience”
Presentation at General Online Research (GOR) 2019 Conference, Cologne, GermanyPosters
02/ 2024 “Long Term Attrition and Sample Composition Over Time. 11 Years of the German Internet Panel”
Poster at the General Online Research (GOR) Conference 2024, Cologne, Germany09/ 2021 “Memory Effects in Online Panel Surveys: Investigating Respondents’ Ability to Recall Responses from a Previous Panel Wave”
Poster at the General Online Research (GOR) Conference 2021 (Online)09/ 2020 “Associations in Probability-Based and Nonprobability Online Panels: Evidence on Bivariate and Multivariate Analyses”
Poster at the General Online Research (GOR) Conference 2020 (Online)03/ 2019 “How Much Text is Too Much? Assessing Respondent Attention to Instruction Texts Depending on Text Length”
Poster at the General Online Research (GOR) Conference 2019, Cologne, Germany07/ 2018 “The Effect of Incentives in Survey Experiments on Panel Stability and Sample Composition”
Poster at the European Association of Methodology (EAM) Conference 2018, Jena, GermanyOther
05/ 2019 DataFest Germany 2019 Member of the data committee, University of Mannheim