Timo Lenzner

Dr. Timo Lenzner

Survey Design and Methodology
Fragebogendesign & -evaluation

B2 15
68159 Mannheim

+49 (0621) 1246 - 227
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Vita

Studium der Anglistik und Erziehungswissenschaft mit den Schwerpunkten Linguistik und empirische Bildungsforschung an der Universität Mannheim (Magister Artium 2008). Promotion in Soziologie an der Universität Mannheim (2011). Seit 2008 wissenschaftlicher Mitarbeiter bei GESIS, zunächst im Bereich Online-Umfragen, seit 01/2012 im Bereich Pretesting.

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Service

Beratung und Durchführung von Fragebogen-Pretests, Beratung zu Fragebogendesign.

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Forschung

Fragebogendesign und -evaluation, Eyetracking, Web Surveys.

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Veröffentlichungen

Publikation

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Monographie

Lenzner, Timo. 2011. A Psycholinguistic Look at Survey Question Design and Response Quality: Dissertation. Mannheim: MADOC. https://ub-madoc.bib.uni-mannheim.de/29478.

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Zeitschriftenaufsatz

Neuert, Cornelia, and Timo Lenzner. 2019 (Forthcoming). "Effects of the Number of Open-Ended Probing Questions on Response Quality in Cognitive Online Pretests ." Social Science Computer Review.

Höhne, Jan Karem, Timo Lenzner, Cornelia Neuert, and Ting Yan. 2019 (Forthcoming). "Re-examining the middle means typical and the left and top means first heuristics using eye-tracking methodology." Journal of Survey Statistics and Methodology.

Höhne, Jan Karem, Melanie Revilla, and Timo Lenzner. 2018. "Comparing the performance of agree/disagree and item-specific questions across PCs and smartphones." Methodology : European Journal of Research Methods for the Behavioral and Social Sciences 14 (3): 109-118.

Höhne, Jan Karem, and Timo Lenzner. 2018. "New Insights on the Cognitive Processing of Agree/Disagree and Item-Specific Questions." Journal of Survey Statistics and Methodology 6 (3): 401-417. doi: http://dx.doi.org/10.1093/jssam/smx028.

Lenzner, Timo, and Cornelia Neuert. 2017. "Pretesting Survey Questions Via Web Probing – Does it Produce Similar Results to Face-to-Face Cognitive Interviewing?." Survey Practice 10 (4): 1-11. http://www.surveypractice.org/article/2768-pretesting-survey-questions-via-web-probing-does-it-produce-similar-results-to-face-to-face-cognitive-interviewing.

Neuert, Cornelia, and Timo Lenzner. 2016. "A Comparison of Two Cognitive Pretesting Techniques Supported by Eye Tracking." Social Science Computer Review (34(5)): 582-596. doi: http://dx.doi.org/10.1177/0894439315596157.

Neuert, Cornelia, and Timo Lenzner. 2016. "Incorporating Eye Tracking into Cognitive Interviewing to Pretest Survey Questions." International Journal of Social Research Methodology 2016 (19(5)): 501-519. doi: http://dx.doi.org/10.1080/13645579.2015.1049448.

Höhne, Jan Karem, and Timo Lenzner. 2015. "Investigating response order effects in web surveys using eye tracking." Psihologija 48 (4): 361-377. doi: http://dx.doi.org/10.2298/PSI1504361H.

Ziegler, Matthias, Christoph J. Kemper, and Timo Lenzner. 2015. "The issue of fuzzy concepts in test construction and possible remedies: Editorial." European Journal of Psychological Assessment 31 (1): 1-4. doi: http://dx.doi.org/10.1027/1015-5759/a000255.

Lenzner, Timo. 2014. "Are readability formulas valid tools for assessing survey question difficulty?." Sociological Methods & Research 43 (4): 677-698. doi: http://dx.doi.org/10.1177/0049124113513436.

Menold, Natalja, Lars Kaczmirek, Timo Lenzner, and Ales Neusar. 2014. "How do respondents attend to verbal labels in rating scales?." Field Methods 26 (1): 21-39. doi: http://dx.doi.org/10.1177/1525822X13508270.

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2014. "Left feels right: A usability study on the position of answer boxes in web surveys." Social Science Computer Review 32 (6): 743-764. doi: http://dx.doi.org/10.1177/0894439313517532.

Lenzner, Timo. 2012. "Effects of survey question comprehensibility on response quality." Field Methods 24 409-428. doi: http://dx.doi.org/10.1177/1525822X12448166.

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2011. "Seeing through the eyes of the respondent: an eye-tracking study on survey question comprehension." International Journal of Public Opinion Research 23 (3): 361-373. doi: http://dx.doi.org/10.1093/ijpor/edq053.

Lenzner, Timo, Lars Kaczmirek, and Alwine Lenzner. 2010. "Cognitive burden of survey questions and response times: a psycholinguistic experiment." Applied Cognitive Psychology 24 (7): 1003-1020. doi: http://dx.doi.org/10.1002/acp.1602.

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Beitrag im Sammelwerk

Neuert, Cornelia, and Timo Lenzner. 2019. "Die Ergänzung kognitiver Interviews um Eye Tracking: ein Methodenvergleich." In Qualitätssicherung sozialwissenschaftlicher Erhebungsinstrumente, edited by Natalja Menold, and Tobias Wolbring, Schriftenreihe der ASI - Arbeitsgemeinschaft Sozialwissenschaftlicher Institute, 195-224. Wiesbaden: Springer VS. doi: http://dx.doi.org/10.1007/978-3-658-24517-7_7.

Thielsch, Meinald T., Timo Lenzner, and Torsten Melles. 2012. "Wie gestalte ich gute Items und Interviewfragen?." In Praxis der Wirtschaftspsychologie II: Themen und Fallbeispiele für Studium und Anwendung, edited by Meinald T. Thielsch, and Torsten Brandenburg, 221-240. Münster: MV Wissenschaft.

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Arbeits- und Diskussionspapier

Lenzner, Timo, Cornelia Neuert, Patricia Hadler, Andrea Sarafoglou, and Natalja Menold. 2019. Falsche Konsensmeinungen in der Politik: Kognitiver Online-Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest73.

Hadler, Patricia, Timo Lenzner, Cornelia Neuert, Simon Steiger, Andrea Sarafoglou, and Megan Wolf. 2019. Mikrozensus - Identifikation der nicht-erwerbstätigen Personen nach dem ILO-Erwerbskonzept: Kognitiver Pretest.

Neuert, Cornelia, and Timo Lenzner. 2019. Use of Eye Tracking in Cognitive Pretests. GESIS – Survey Guidelines. Mannheim: GESIS. doi: http://dx.doi.org/10.15465/gesis-sg_en_025.

Hadler, Patricia, Cornelia Neuert, Timo Lenzner, and Natalja Menold. 2018. European Working Conditions Survey (EWCS): Cognitive Pretest. GESIS Pretest-Datenbank. Mannheim: GESIS. doi: http://dx.doi.org/10.17173/pretest72.

Lenzner, Timo, Cornelia Neuert, Patricia Hadler, and Natalja Menold. 2018. Internet of Things: Cognitive Online-Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest71.

Neuert, Cornelia, Patricia Hadler, Timo Lenzner, Andrea Sarafoglou, Patricia Bous, Angelika Stiegler, and Natalja Menold. 2017. Eingabenkultur und Diktaturerfahrungen in der DDR: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest68.

Lenzner, Timo, Cornelia Neuert, Patricia Hadler, Angelika Stiegler, Clara Beitz, Robin Schmidt, Zeynep Umuc, Niklas Reisepatt, Andrea Sarafoglou, and Natalja Menold. 2017. Krankheitswissen und Informationsbedarfe – Diabetes mellitus. Fragebogen für Personen mit Diabetes: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest66.

Lenzner, Timo, Cornelia Neuert, Patricia Hadler, Angelika Stiegler, Clara Beitz, Robin Schmidt, Zeynep Umuc, Niklas Reisepatt, Andrea Sarafoglou, and Natalja Menold. 2017. Krankheitswissen und Informationsbedarfe – Diabetes mellitus. Fragebogen für Personen ohne Diabetes: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest67.

Hadler, Patricia, Cornelia Neuert, Timo Lenzner, Angelika Stiegler, Andrea Sarafoglou, Patricia Bous, Niklas Reisepatt, and Natalja Menold. 2017. RESPOND - Improving regional health system responses to the challenges of migration through tailored interventions for asylum-seekers and refugees.: Kognitiver Pretest.. GESIS Projektbericht. doi: http://dx.doi.org/10.17173/pretest69.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2016. Cognitive Pretesting. GESIS - Survey Guidelines. Mannheim: GESIS. doi: http://dx.doi.org/10.15465/gesis-sg_en_010.

Lenzner, Timo, Wanda Otto, Cornelia Neuert, Clara Beitz, Robin Schmidt, and Angelika Stiegler. 2016. Comparative Study of Electoral Systems (CSES) Module 5: Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest26.

Lenzner, Timo, Cornelia Neuert, Clara Beitz, Stefanie Gebhardt, and Natalja Menold. 2016. ILLICID – Illegaler Handel mit Kulturgut in Deutschland 2016: Kognitiver Pretest.

Neuert, Cornelia, Timo Lenzner, Clara Beitz, Stefanie Gebhardt, Wanda Otto, and Natalja Menold. 2016. Instrumententwicklung Partnerschaftsbeginn (pairfam): Kognitiver Online-Pretest. doi: http://dx.doi.org/10.17173/pretest19.

Lenzner, Timo, and Natalja Menold. 2016. Question Wording. GESIS Survey Guidelines. GESIS – Leibniz Institute for the Social Sciences. doi: http://dx.doi.org/10.15465/gesis-sg_en_017.

Lenzner, Timo, Katharina Disch, Stefanie Gebhardt, and Natalja Menold. 2015. AUDITS - Methodological tools for the definition of local security policies: Kognitiver Online-Pretest. doi: http://dx.doi.org/10.17173/pretest12.

Lenzner, Timo, Cornelia Neuert, Wanda Otto, Uta Landrock, Franziska Adams, Katharina Disch, Stefanie Gebhardt, and Natalja Menold. 2015. Computer-assisted Measurement and Coding of Educational Qualifications in Surveys (CAMCES): Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest25.

Lenzner, Timo, Wanda Otto, Franziska Adams, Katharina Disch, Cornelia Neuert, and Natalja Menold. 2015. Conceptions of democracy and preferences over democratic procedures: Kognitiver Online-Pretest. doi: http://dx.doi.org/10.17173/pretest2.

Lenzner, Timo, and Natalja Menold. 2015. Frageformulierung. GESIS Survey Guidelines. Mannheim: GESIS. doi: http://dx.doi.org/10.15465/gesis-sg_017.

Lenzner, Timo, Cornelia Neuert, Franziska Adams, Katharina Disch, Wanda Otto, and Natalja Menold. 2015. Household Inflation Expectations and Preferences: Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest16.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2015. Kognitives Pretesting. Mannheim: GESIS. doi: http://dx.doi.org/10.15465/sdm-sg_010.

Lenzner, Timo, Cornelia Neuert, Franziska Adams, Katharina Disch, Wanda Otto, and Natalja Menold. 2015. The Role of Economic Preferences for Preventive Health Behavior: The Case of Skin Cancer Screening: Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest17.

Lenzner, Timo, and Hannah Soiné. 2014. German Internet Panel (GIP) – Modul “Inflation” der November 2014 Welle: Kognitiver Online-Pretest. GESIS-Projektbericht 2014/05. Mannheim: GESIS. urn: nbn-resolving.org/urn:nbn:de:0168-ssoar-58325-7.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. GIP Reforms Monitor 2014: Kognitiver Pretest. GESIS-Projektbericht 2014/09. Mannheim: GESIS. doi: http://dx.doi.org/10.17173/pretest20. urn: nbn-resolving.org/urn:nbn:de:0168-ssoar-58349-3.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. Healthcare-seeking in Germany (HEALSEE 2): Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest22.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. Healthcare-seeking in Germany (HEALSEE): Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest29.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. International Social Survey Programme (ISSP) 2015: Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest3.

Lenzner, Timo, Cornelia Neuert, Wanda Otto, Uta Landrock, and Natalja Menold. 2014. PIAAC-Panel (PIAAC-L) 2014: Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest8.

Neuert, Cornelia, and Timo Lenzner. 2014. Projekt „A Ranking Measure of Life Satisfaction (RankMe)“: Kognitiver Online-Pretest. doi: http://dx.doi.org/10.17173/pretest28.

Lenzner, Timo, Cornelia Neuert, Wanda Otto, Uta Landrock, and Natalja Menold. 2014. RiKo 2014: Kognitiver Pretest.

Lenzner, Timo, Cornelia Neuert, Wanda Otto, and Fabio Best. 2014. wb-Personalmonitor 2014. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest4.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. wb-Personalmonitor 2014 – Stufe 2: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest23.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2013. BFI-K Kinder- und Jugendlichenversion: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest31.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2013. International Social Survey Programme (ISSP) 2013/2014: Kognitiver Pretest. GESIS Pretest-Datenbank. doi: http://dx.doi.org/10.17173/pretest10.

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2013. Optimizing Probing Procedures for Cross-National Web Surveys (CICOM 2): Kognitiver Pretest. doi: http://dx.doi.org/10.17173/pretest7.

Porst, Rolf, Timo Lenzner, and Lisa-Marie Bischof. 2012. Familienbezogene Leitbilder: Kognitiver Pretest. GESIS-Projektbericht 2012/01. Mannheim: GESIS. urn: nbn-resolving.org/urn:nbn:de:0168-ssoar-58187-7.

Porst, Rolf, Timo Lenzner, and Cornelia Neuert. 2012. Psygiene (Händedesinfektion im beruflichen Alltag): Kognitiver Pretest. GESIS-Projektbericht 2012/03. Mannheim: GESIS. urn: nbn-resolving.org/urn:nbn:de:0168-ssoar-58188-2.

Lenzner, Timo, Cornelia Neuert, and Rolf Porst. 2012. Strategies for Elderly People (STEP): Kognitiver Pretest. GESIS-Projektbericht 2012/02. Mannheim: GESIS. doi: http://dx.doi.org/10.17173/pretest36. urn: nbn-resolving.org/urn:nbn:de:0168-ssoar-58175-2.

Vortrag

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Konferenzbeitrag

Höhne, Jan Karem, Timo Lenzner, Cornelia Neuert, and Ting Yan. 2019. "Re-Examining the Left and Top Means First Heuristics using Eye-Tracking Methodology." ESRA 2019: 8th Conference of the European Survey Research Association. Zagreb (Croatia), 15.07.2019.

Lenzner, Timo, Jan Karem Höhne, Cornelia Neuert, and Ting Yan. 2019. "Subgroup differences in the cognitive processing of rating scales: Two experiments on scale polarity." ESRA 2019: 8th Conference of the European Survey Research Association. Zagreb (Croatia), 15.07.2019.

Lenzner, Timo, and Cornelia Neuert. 2019. "What makes a “good” web probing respondent." ESRA 2019: 8th Conference of the European Survey Research Association. Zagreb (Croatia), 15.07.2019.

Neuert, Cornelia, Jan Karem Höhne, Timo Lenzner, and Ting Yan. 2018. "A Replication of the Experiment on Separating Scale Points from Non-Substantive Responses of Tourangeau, Couper, and Conrad 2004." XIX ISA World Congress of Sociology, Power, Violence and Justice: Reflections, Responses and Responsibilities, 15.07.2018.

Hadler, Patricia, Cornelia Neuert, Timo Lenzner, and Natalja Menold. 2018. "Considerations for cross-cultural questionnaire testing and lessons learned." International Workshop on "Comparative Survey Design and Implementation" (CSDI), 26.03.2018.

Lenzner, Timo, and Cornelia Neuert. 2018. "Effects of the number of open probing questions on response quality in cognitive online pretests." General Online Research (GOR 18), 01.03.2018.

Höhne, Jan Karem, Timo Lenzner, Cornelia Neuert, and Ting Yan. 2018. "Re-examining the "left and top means first" heuristic using eye-tracking methodology." General Online Research (GOR 18), 01.03.2018.

Höhne, Jan Karem, Timo Lenzner, Cornelia Neuert, and Ting Yan. 2018. "Re-examining the middle means typical heuristic using eye-tracking methodology." AAPOR 73rd Annual Conference, 16.05.2018.

Neuert, Cornelia, and Timo Lenzner. 2017. "A joint implementation of cognitive interviewing and eye tracking to pretest survey questions." ESRA 2017: 7th Conference of the European Survey Research Association, Lisbon, 17.07.2017.

Neuert, Cornelia, and Timo Lenzner. 2017. "Comparing Cognitive Interviewing and Web Probing for Pretesting Survey Questions." ESRA 2017: 7th Conference of the European Survey Research Association, Lisbon, 17.07.2017.

Höhne, Jan Karem, Melanie Revilla, and Timo Lenzner. 2017. "Comparing the Performance of Agree/Disagre and Item-Specific Questions across PCs and Smartphones." ESRA 2017: 7th Conference of the European Survey Research Association, 17.07.2017.

Höhne, Jan Karem, and Timo Lenzner. 2017. "Eye-Tracking Methodology: Investigating the Mental Processing of Question Formats in Web Surveys." 72nd Annual AAPOR Conference, 18.05.2017.

Lenzner, Timo, and Cornelia Neuert. 2016. "Can web probing be used to pretest survey questions? ." International Conference on Questionnaire Design, Development, Evaluation, and Testing (QDET2), 09.11.2016.

Höhne, Jan Karem, and Timo Lenzner. 2016. "New Insights on the Cognitive Processing of AD and IS Questions." International Conference on Questionnaire Design, Development, Evaluation, and Testing (QDET2).

Höhne, Jan Karem, and Timo Lenzner. 2016. "New Insights on the Cognitive Processing of Agree/Disagree and Item-Specific Questions." Annual PAPOR Conference.

Neuert, Cornelia, and Timo Lenzner. 2015. "A comparison of two eye-tracking supported cognitive pretesting techniques." GOR 15: General Online Research Conference.

Lenzner, Timo, and Hannah Soiné. 2015. "Pretesting Survey Questions via Web Probing: Does it Produce Similar Results to F2F Cognitive Interviewing?." Questionnaire Evaluation Standards Workshop (QUEST).

Neuert, Cornelia, and Timo Lenzner. 2014. "A comparison of two eye-tracking supported cognitive pretesting techniques." VI European Congress of Methodology.

Lenzner, Timo. 2013. "Are readability formulas valid tools for assessing survey question difficulty?." 68th Annual AAPOR Conference.

Neuert, Cornelia, and Timo Lenzner. 2013. "Combining eye tracking and cognitive interviewing to pretest survey questions." 5th Conference of the European Survey Research Association (ESRA).

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2013. "Does left still feel right?: The optimal position of answer boxes in web surveys - revisited." 5th Conference of the European Survey Research Association (ESRA).

Neuert, Cornelia, and Timo Lenzner. 2013. "Supplementing Cognitive Interviewing with Eye Tracking to Pretest Survey Questions." Quest Workshop.

Lenzner, Timo. 2012. "An Evaluation of Two Non-Reactive Web Questionnaire Pretesting Methods." GOR 12 : General Online Research Conference.

Lenzner, Timo. 2012. "Using Response Latencies and Eye Tracking to Pretest Survey Questions: A Comparative Analysis of Potentials and Challenges." 8th International Conference on Social Science Methodology (RC33).

Menold, Natalja, Lars Kaczmirek, and Timo Lenzner. 2011. "Cognitive processes in answering questions: Are verbal labels in rating scales attended to?." 4th Conference of the European Survey Research Association (ESRA).

Lenzner, Timo. 2011. "Effects of Survey Question Clarity on Data Quality." GOR 11 : General Online Research Conference.

Lenzner, Timo, Lars Kaczmirek, Mirta Galesic, and Mona Merkert. 2011. "Left feels right! The optimal position of answer boxes in web surveys." 4th Conference of the European Survey Research Association (ESRA).

Lenzner, Timo. 2011. "Question Comprehensibility and Satisficing Behavior in Web Surveys." 64th Annual WAPOR conference.

Lenzner, Timo. 2010. "A psycholinguistic look at survey question design and data quality." 17th ISA World Congress of Sociology.

Lenzner, Timo. 2010. "Effekte der Fragenformulierung auf die Datenqualität in Web Surveys." 2. Unipark-Netzwerktreffen (Globalpark AG).

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2010. "Good or bad? That is the question! Identifying poor survey question wording using eye tracking." GOR 10 : General Online Research Conference.

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2010. "Seeing through the eyes of the respondent: an eye-tracking study on survey question comprehension." 65th Annual AAPOR Conference.

Lenzner, Timo, Lars Kaczmirek, and Mirta Galesic. 2010. "Seeing through the eyes of the respondent: an eye-tracking study on survey question comprehension." 4th MESS Workshop.

Kaczmirek, Lars, Timo Lenzner, and Mirta Galesic. 2009. "Is this e-mail relevant? An eye-tracking experiment on how potential respondents read e-mail invitations." 4th Internet Survey Methodology (ISM) Workshop.

Lenzner, Timo. 2009. "Verständlichkeit von Survey-Fragen in Web Surveys: Determinanten und Konsequenzen." 10th anniversary of the Globalpark AG.

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Beitrag nicht auf Konferenz

Lenzner, Timo, and Cornelia Neuert. 2018. "How many open-ended probing questions can we ask in cognitive online pretests?." Questionnaire Evaluation Standards Workshop (QUEST), 28.10.2018.

Lehre

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Sonstiges

Lenzner, Timo, and Cornelia Neuert. 2018. "Cognitive Pretesting: Workshop." General Online Research (GOR 18) .

Lenzner, Timo, Cornelia Neuert, and Patricia Hadler. 2018. "Cognitive Pretesting Methods: Talk given at the MZES Social Science Data Lab." Mannheimer Zentrum für Europäische Sozialforschung.

Meitinger, Katharina, and Timo Lenzner. 2018. "Pretesting Survey Questions: GESIS Summer School in Survey Methodology."

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2016. "GESIS-Workshop Pretesting." GESIS .

Lenzner, Timo, Cornelia Neuert, and Wanda Otto. 2014. "GESIS-Workshop Pretesting." GESIS.

Lenzner, Timo. 2014. "Questionnaire Design: International Research Workshop (IRWS)."

Lenzner, Timo. 2014. "Questionnaire pretesting via cognitive interviewing and eye tracking: Lecture "The Essentials of Survey Design and Data Collection" (Prof. Dr. Blom)."

Lenzner, Timo. 2014. "Questionnaire testing via probing techniques: CIDER Spring Workshop 2014 „Survey Methodology and Modern Microeconometrics“."

Lenzner, Timo. 2013. "Fragebogen-Pretesting: Seminar "Praxis der Umfrageforschung" (Prof. Dr. Andreß)."

Lenzner, Timo. 2013. "Questionnaire design: International Research Workshop (IRWS)."

Lenzner, Timo, and Cornelia Neuert. 2012. "GESIS-Workshop Pretesting."

Bandilla, Wolfgang, Dorothée Behr, Lars Kaczmirek, and Timo Lenzner. 2010. "Online Umfragen."

Bandilla, Wolfgang, Lars Kaczmirek, and Timo Lenzner. 2009. "Online Umfragen."