people
Ulf-Dietrich Reips is a tenured full professor and holds the chair for Research Methods, Assessment, and iScience at University of Konstanz, Germany. Previously, he was awarded a tenured research professorship by Ikerbasque, the Basque Foundation for Science, to work at Universidad de Deusto in Bilbao, Spain. Prior he worked as an Assistant Professor at University of Zürich, Switzerland. Further stages and affiliations include: the University of Irvine, USA (Sabbatical research stays 2014/15, 2018 and 2022/23); University of Colorado Boulder, USA (FIRST Awards 2012 and 2013, honorary affiliation); the Open University, UK (Research Award, 2003), the Sonoma State University, USA (Master) and the Universität Tübingen (PhD, venia legendi). His work focuses on the methodology of data collection via the Internet, shortly after the World Wide Web was invented he pioneered conducting Internet-based experiments.
Many of Ulf’s publications are among the most highly cited in their respective journals, according to Google Scholar he has an h factor of 54 and according to ResearchGate he consistently ranks among the top five visible members of his institution and is among the 100’000 most cited researchers worldwide (Stanford study). Read more here on information about his publications and impact. His ORCID reference is 0000-0002-1566-4745
publications
- Reips, U. D., & Frauendorfer, D. (in revision). The high hurdle technique put to the test: Evidence for less dropout and better data quality in Web-based studies. Manuscript in preparation.
- Younes, N., Höhner, L., & Reips, U.-D. (in revision). Emotion words as reflection of social change.
- Canales, D., Garaizar, P., & Reips, U.-D. (in revision). Improving data quality in Internet-based studies with CRT items: A review and a generator.
- Reips, U.-D. (invited). Experimentation within surveys. In R. K. Thomas, Survey Research Methods. Oxford: Oxford University Press.
- Reips, U. D., & Heilmann, T. (in revision). The OLBDQ: An online version of the leader behavior description questionnaire. Manuscript in preparation.
- Funke, F. & Reips, U.-D. (in revision). Reducing measurement error by tackling formatting error: Theoretical and empirical evidence for high data quality with visual analogue scales.
- Kuhlmann, T., Reips, U.-D., & Stieger, S. (under review). Smartphone tilt as a measure of well-being? Evidence and obstacles in two experience sampling studies.
- Reips, U.-D. (invited for full paper submission in special issue of Behavior Research Methods on Big Data in Psychology, under review). Big Data: Using large scale Web services for research.
- Reips, U.-D. (in revision). Collecting data in surfer’s paradise: Internet-mediated research yesterday, now, and tomorrow.
- Reips, U.-D., & Bannert, M. (in revision). Dropout analysis: A method for data from Internet-based research and DropR, an R-based Web App to analyze and visualize dropout.
- Reips, U.-D. (in revision). Reaction times in Internet-based versus laboratory research: Potential problems and a solution.
- Reips, U.-D., Buchanan, T., Joinson, A., & Paine Shofield, C. (in revision). Internet questionnaires in e-health contexts: Non-response to sensitive items.
- Reips, U.-D., Oostlander, J., & Buchanan, T. (in revision). Measures of online privacy concern and protection for use on the Internet: Further validation and development of a German version (GPCP).
- Reips, U.-D., & Mürner, B. (in revision). Stroop Invaders: A Web tool for creating Internet-based Stroop-like experiments in game format.
- Stieger, S., Scherber, L. S., & Reips, U.-D. (under review). The Name Letter Effect is based on the spelling not pronunciation of letters.
- Kaufmann, E., & Reips, U.-D. (2024). Meta-analysis in a digitalized world: A step-by-step primer. Behavior Research Methods.
- Shevchenko, Y., & Reips, U.-D. (2024). How to Use Geofencing in Mobile Research [How-to Guide]. SAGE Research Methods: Doing Research Online.
- Laupper, E., Kaufmann, E., & Reips, U.-D. (2023). Late responding in Web and Mail surveys: A systematic review and meta-analysis. Survey Research Methods, 17(4), 465-491.
- Shevchenko, Y., & Reips, U.-D. (2023). Geofencing in location-based behavioral research: Methodology, challenges, and implementation. Behavior Research Methods, 1-29.
- Reips, U.-D. (in press). Using the Internet to collect data. In H. Cooper, P. M. Camic, R. Gonzalez, D. L. Long, A. Panter, D. Rindskopf, & K. J. Sher (Eds.), APA Handbook of Research Methods in Psychology, Vol 2: Research designs: Quantitative, qualitative, neuropsychological, and biological (2nd ed.). Washington, DC: American Psychological Association.
- Buchanan, E., Lewis, S., Paris, B., Forscher, P., … Reips, U.-D., … Primbs, M. (2023). The Psychological Science Accelerator’s COVID-19 rapid-response dataset. Scientific Data, 10, 87.
- Carr, D., Ochsner, B., Spöhrer, M., Bieling, T., Reips, U.-D., & Fischer, U. (in press). In: B. Ochsner & M. Spöhrer (Eds.): Disability and video games: Practices of en-/disabling modes of digital gaming. London: Palgrave Macmillan.
- Jenadeleh, M., Zagermann, J., Reiterer, H., Reips, U.-D., Hamzaoui, R., & Saupe, D. (2023). Relaxed forced choice improves performance of visual quality assessment methods. In: Proc. 15th International Conference on Quality of Multimedia Experience (QoMEX), Ghent, June 2023.
- Merkin, A., Akinfieva, S., Medvedev, O. N., Krishnamurthi, R. V., Gutsaluk, A., Reips, U.-D., Kuliev, R., Dinov, E., Nikiforov, I., Shamalov, N., Shafran, P., Popova, L., Burenchev, D., Feigin, V. (in press). A pilot study of application of the Stroke Riskometer mobile app for assessment of the course and clinical outcomes of COVID-19 among hospitalised patients. Cerebrovascular Diseases Extra, 13(1), 47-55.
- Petras, N., Dantlgraber, M, & Reips, U.-D. (2023). Illustrating psychometric tests, scales, and constructs: An R package for Item Pool Visualization. Behavior Research Methods.
- Sanftenberg, L., Beutel, A., Friemel, C. M., Schauer, M., Elbert, T., Reips, U.-D., … , Gensichen, J. (in press). Barriers and opportunities for implementation of a brief psychological intervention for post-ICU mental distress in the primary care setting – results from a qualitative sub-study of the PICTURE trial. BMC Primary Care.
- Selkälä, A., & Reips, U.-D. (in press). A new 2-dimensional question format in web survey design: Assimilation and contrast effects. Methodological Innovations.
- Shevchenko, Y., Huber N., & Reips, U.-D. (2023). Psychological well-being during the COVID-19 pandemic: Combining a web survey with experience sampling methodology. PLOS One, 18(3).
- Teepe, G. W., Glase, E. M., & Reips, U.-D. (2023). Increasing digitalization of life is associated with anxiety and depression: A Google Ngram analysis. PLoS ONE, 18(4): e0284091
- Reips, U.-D., & Shevchenko, Y. (2023). How to conduct online experiments [How-to Guide]. SAGE Research Methods: Doing Research Online.
- Kowal, M., Sorokowski, P., …, Miccoli, M., …, Reips, U.-D., …, Perun, M. (2022). Predictors of enhancing human physical attractiveness: Data from 93 countries. Evolution and Human Behavior, 43
- Legate, N., Nguyen, T. T., Weinstein, N., Moller, A. C., Legault, L., …, Reips, U.-D., …, Žuro, B. (2022). A global experiment on motivating social distancing during the COVID-19 pandemic. Proceedings of the National Academy of Sciences, 119(22).
- Reips, U.-D. (2022). Foreword. In J. Kohler, Eins und eins ist zwei und mehr: Die Methodisierung des Feldes [One and one is two and more: Methodization of the field] (pp. 15-17). Beltz.
- Merkin, A., Medvedev, O., Akinfieva S., Krishnamurthi, R., …, Reips, U.-D., …, Feigin, V. (2022). Application of the Stroke Riskometer mobile app-based stroke risk as a predictive tool for clinical outcomes of SARS-COV-2 (COVID-19). Neuroepidemiology, 6(Suppl. 1).
- Shevchenko, Y., & Reips, U.-D. (2022). How to Prepare and Conduct an Experience Sampling Study via Mobile Phones [How-to Guide]. SAGE Research Methods: Doing Research Online.
- Bago, B., Kovacs, M., Protzko, J., …, Reips, U.-D., …, Aczel, B. (2022). Situational factors shape moral judgments in the trolley dilemma in Eastern, Southern, and Western countries in a culturally diverse sample. Nature Human Behaviour, 6(6), 880–895
- Lin, H., Chen, G., Jenadeleh, M., Hosu, V., Reips, U.-D., Hamzaoui, R., Saupe, D. (2022). Large-scale crowdsourced subjective assessment of picturewise just noticeable difference. IEEE transactions on circuits and systems for video technology.
- Gensichen, J., Friemel C., Schmidt K., Sanftenberg, L., Dohmann, J., Reips, U.-D., Elbert, T. (2022, May 15). A primary care-based narrative exposure therapy on patients with post-traumatic stress disorder following intensive care [Poster discussion session]. D102 Topics in Behavioral Science and Health Service Research, Moscone Center.
- Dorison, C. A., Lerner, J. S., Heller, B. H., … Reips, U.-D., … Coles, N. A. (2022). In COVID-19 health messaging, loss framing increases anxiety with little-to-no concomitant benefits: Experimental evidence from 84 countries. Affective Science, 3, 577–602.
- Petras, N., Dantlgraber, M., Reips, U.-D., & Bannert, M. (2022). IPV: Item Pool Visualization. Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Germany. Computer software (R package version 1.0.0, Sept. 2022). Available from CRAN studio
- Reips, U.-D. (2021). Web-based research in Psychology: A review. Zeitschrift für Psychologie, 229(4).
- Reips, U.-D., & Buchanan, T. (2021). From modems to mobile apps: Web-based research in Psychology [Editorial]. Zeitschrift für Psychologie, 229(4).
- Wang, K., Goldenberg, A., … Reips, U.-D., … Moshontz, H. (2021). A multi-country test of brief reappraisal interventions on emotions during the COVID-19 pandemic. Nature Human Behaviour, 5, 1089-1110.
- Reips, U.-D., & Klein, B. (2017). Innovative social location-aware services for mobile phones. In A. Quan-Haase & L. Sloan, Handbook of Social Media Research Methods (2nd ed.). London: Sage.
- Shevchenko Y., Kuhlmann T., & Reips, U.-D. (2021). Samply: A user-friendly, smartphone app and web-based means of scheduling and sending mobile notifications for experience-sampling research. Behavior Research Methods, 53, 1710–1730.
- Reips, U.-D., & Garaizar, P. (2016). Social Lab: An “Open Source Facebook”. In L. Sloan & A. Quan-Haase, Handbook of Social Media Research Methods (2nd ed.). London: Sage.
- Benz, A. B. E., Kloker, L. V., Kuhlmann, T., …, Reips, U.-D., & Pruessner, J. C. (2021). Psychometrische Kennwerte einer deutschen Übersetzung des Parental Bonding Instrument [Psychometric Characteristics of a German Translation of the Parental Bonding Instrument]. Psychotherapie – Psychosomatik – Medizinische Psychologie (PPmP). https://dx.doi.org/10.1055/a-1503-5328
- Legate, N., Nguyen, T. T., Weinstein, N., Moller, A. C., Legault, L., … Reips, U.-D., … Primbs, M. (2021, under review). A global experiment on motivating social distancing during the COVID-19 pandemic. https://doi.org/10.31234/osf.io/n3dyf
- Kuhlmann, T., Garaizar, P., & Reips, U.-D. (2021). Smartphone sensor accuracy varies from device to device in mobile research: The case of spatial orientation. Behavior Research Methods, 53, 22-33. https://doi.org/10.3758/s13428-020-01404-5
- Selkälä A., Viinamäki L., Suikkanen A. & Reips, U.-D. (2021). Web survey entry selection by a mailed invitation letter. Survey Practice, 14(1). https://doi.org/10.3758/s13428-020-01527-9
- Bräuninger, I., & Reips, U.-D. (2020). The significance of dance in dance movement therapy: An international online survey with DMT novices.
- Sass, R., Frick, S., Reips, U.-D. (2020). Taking the test-taker’s perspective: Response process and test motivation in multidimensional forced-choice vs. rating scale instruments. Assessment, 27(3), 572-584. https://doi.org/10.1177/1073191118762049
- Vésteinsdóttir, V., Asgeirsdottir, R. L., Reips, U.-D., & Thorsdottir, F. (2021). Item-pair measures of acquiescence: the artificial inflation of socially desirable responding. International Journal of Social Research Methodology, 24(3), 279-287.
- Reips, U.-D. (2020). Internet-based studies. In Marc D. Gellman, J. Rick Turner (eds.), Encyclopedia of Behavioral Medicine (2nd ed.). Berlin: Springer. https://doi.org/10.1007/978-1-4614-6439-6_28-2
- Cipora, K., Soltanlou, M., Reips, U.-D., & Nuerck, H.-C. (2019). The SNARC and MARC effects measured online: Large-scale assessment methods in flexible cognitive effects. Behavior Research Methods, 51, 1676–1692. doi:10.3758/s13428-019-01213-5
- Reips, U. D., & Buchanan, T. (2020). Call for Papers:“Web-Based Research in Psychology”.
- Dantlgraber, M., Kuhlmann, T., & Reips, U. D. (2019). Conceptual fluency in inductive reasoning. PloS ONE, 14, e0225050. doi: 10.1371/journal.pone.0225050
- Petras, N., Dantlgraber, M., & Reips, U. D. Beyond one test: An R-Package for Item Pool Visualization.
- Dantlgraber, M., Stieger, S., & Reips, U.-D. (2019). Introducing Item Pool Visualization (IPV): A method for investigation of concepts in self-reports and psychometric tests. Methodological Innovations, 12(3), 1-10. https://doi.org/10.1177/2059799119884283.
- Huber, S., Nuerck, H.-C., Reips, U.-D., & Soltanlou, M. (2019). Individual differences influence two-digit number processing, but not their analog magnitude processing: a large-scale online study. Psychological Research, 83(7), 1444-1464. https://doi.org/10.1007/s00426-017-0964-5.
- Garaizar, P., & Reips, U.-D. (2019). Best practices: Two web browser-based methods for stimulus presentation in behavioral experiments with high resolution timing requirements. Behavior Research Methods, 51, 1441–1453. doi:10.3758/s13428-018-1126-4
- Bago, B., Aczel, B., Kekecs, Z., P., Kovacs, M., Nagy, T., … Reips, U.-D., … Chartier, C. R. (preregistered and conditionally accepted). Moral thinking across the world: Exploring the influence of personal force and intention in moral dilemma judgments. Nature Human Behaviour.
- Vésteinsdóttir, V., Steingrimsdottir, E. D., Thorsdottir, F., Joinson, A., & Reips, U.-D. (2019). Social desirability in spouse ratings. Psychological Reports, 122(2), 593-608. doi:10.1177/0033294118767815.
- Younes, N., & Reips, U.-D. (2019). Guideline for improving the reliability of Google Ngram studies: Evidence from religious terms. PloS One, 14(3): e0213554. doi.org/10.1371/journal.pone.0213554
- Stieger, S., & Reips, U.-D. (2019). Well-being, smartphone sensors, and data from open-access databases: A mobile experience sampling study. Field Methods, 31(3), 277-291.
- Vésteinsdóttir, V., Joinson, A., Reips, U. D., Danielsdottir, H. B., Thorarinsdottir, E. A., & Thorsdottir, F. (2019). Questions on honest responding. Behavior research methods, 51(2), 811-825.
- Younes, N., & Reips, U.-D. (2018). The changing psychology of culture in Germany: A Google Ngram study. International Journal of Psychology, 53(S1), 53-62. doi:10.1002/ijop.12428
- Stieger, S., Lewetz, D., & Reips, U.-D. (2018). Can smartphones be used to bring computer-based tasks from the lab to the field? A mobile experience sampling method study about pace of life. Behavior Research Methods, 50, 2267–2275.
- Götz, F. M., Stieger, S., & Reips, U. D. (2019). The emergence and volatility of homesickness in exchange students abroad: A smartphone-based longitudinal study. Environment and Behavior, 51(6), 689-716.
- Krantz, J., & Reips, U.-D. (2017). The state of web-based research: A survey and call for inclusion in curricula. Behavior Research Methods, 49(5), 1621–1629. doi:10.3758/s13428-017-0882-x
- Schmitt, D. P., Alcalay, L., Allik, J. … Reips, U.-D. … Zupancic (2017). Narcissism and the strategic pursuit of short-term mating: Universal links across 11 world regions of the International Sexuality Description Project-2. Psychological Topics, 26(1), 89-137.
- Reips, U.-D., & Garaizar, P. (2017). Social Lab: An “Open Source Facebook”. In A. Quan-Haase & L. Sloan, Handbook of Social Media Research Methods (pp. 475-485). London: Sage.
- Younes, N., & Reips, U. D. (2018). The changing psychology of culture in German‐speaking countries: A Google Ngram study. International Journal of Psychology, 53, 53-62.
- Götz, F. M., Stieger, S., & Reips, U.-D. (2017). Users of the main smartphone operating systems (iOS, Android) differ only little in personality. PLoS One,12(5): e0176921. doi:10.1371/journal.pone.0176921
- Klein, B., & Reips, U.-D. (2017). Innovative social location-aware services for mobile phones. In A. Quan-Haase & L. Sloan, Handbook of Social Media Research Methods (pp. 421-438). London: Sage.
- Vésteinsdóttir, V., Reips, U.-D., Joinson, A., & Thorsdottir, F. (2017). An item level evaluation of the Marlowe-Crowne Social Desirability Scale using item response theory on Icelandic Internet panel data and cognitive interviews. Personality and Individual Differences, 107, 164–173. doi:10.1016/j.paid.2016.11.023
- Kuhlmann, T., Dantlgraber, M., & Reips, U.-D. (2017). Investigating measurement equivalence of Visual Analogue Scales and Likert-type scales in Internet-based personality questionnaires. Behavior Research Methods, 49, 2173-2181. doi:10.3758/s13428-016-0850-x
- Reips, U.-D., & Matzat, U. (2016). New Internet myths: No truth in a postfactual world? International Journal of Internet Science, 11, 1-7.
- Dantlgraber, M., Wetzel, E., Schützenberger, P., Stieger, S., & Reips, U.-D. (2016). Simple construct evaluation with Latent Class Analysis: An investigation of Facebook addiction and the development of a short form of the Facebook Addiction Test (F-AT). Behavior Research Methods, 48, 869-879.
- Kaufmann, E., Reips, U.-D., & Maag Merki, K. (2016). Avoiding methodological biases in Meta-Analysis: Use of online versus offline individual participant data (IPD) in educational psychology. Zeitschrift für Psychologie, 224, 157-167. doi:10.1027/2151-2604/a000251
- Kuhlmann, T., Wienert, J., Lippke, S., & Reips, U.-D. (2016). Using visual analogue scales in eHealth: Non-response effects in a lifestyle intervention. Journal of Medical Internet Research, 18, e126. doi: 10.2196/jmir.5271
- Reiss, S. & Reips, U.-D. (2016). Online assessment. In K. Schweizer & C. DiStefano (eds.), Principles and methods of test construction: Standards and recent advancements (pp. 120-131). Göttingen: Hogrefe.
- Stieger, S., & Reips, U.-D. (2016). A limitation of the Cognitive Reflection Test: Familiarity. PeerJ, 4, e2395. doi:10.7717/peerj.2395
- Reips, U.-D. (2015). 20 años de revolución: La investigación científica con la ayuda de la Internet. Special issue “Dos décadas de Internet | Two decades of the public Internet”. Infoamérica-ICR: Iberoamerican Communication Review, 9, 59-70.
- Reips, U.-D., Buchanan, T., Krantz, J. H., & McGraw, K. (2015). Methodological challenges in the use of the Internet for scientific research: Ten solutions and recommendations. Studia Psychologica, 15(2), 139-148. doi:10.21697/sp.2015.14.2.09
- Vésteinsdóttir, V., Reips, U. D., Joinson, A., & Thorsdottir, F. (2015). Psychometric properties of measurements obtained with the Marlowe–Crowne Social Desirability Scale in an Icelandic probability based Internet sample. Computers in Human Behavior, 49, 608-614.
- Reips, U.-D., & Matzat, U. (2015). Crowdsourcing for science. International Journal of Internet Science, 10, 1-9.
- Vésteinsdóttir, V., Reips, U. D., Joinson, A., & Thorsdottir, F. Marlowe-Crowne Social Desirability Scale—Icelandic Version; Revised. Computers in Human Behavior.
- Vésteinsdóttir, V., Reips, U.-D., Joinson, A., & Thorsdottir, F. (2015). Psychometric properties of an Internet version of the Marlowe-Crowne Social Desirability Scale in an Icelandic probability based sample. Computers in Human Behavior, 49, 608-615. doi:10.1016/j.chb.2015.03.044
- Garaizar, P., & Reips, U.-D. (2015). Visual DMDX: A web-based authoring tool for DMDX, a Windows display program with millisecond accuracy. Behavior Research Methods, 47, 620-631. doi:10.3758/s13428-014-0493-8
- Reips, U.-D., & Bannert, M. (2015). dropR: Analyze dropout of an experiment or survey. Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Germany. Computer software (R package version 0.9, Jan. 2015). Retrieved from https://cran.r-project.org/package=dropR.
- Göritz, A. S., Bruder, M., & Reips, U.-D. (2014). Ein national gefördertes Onlinelabor als Infrastruktur für die Forschung: Ergebnisse einer Meinungs- und Bedarfserhebung [A nationally funded online laboratory as infrastructure for research: Results of an opinion and needs survey]. RatSWD Working Paper Series, 241, Rat für Sozial- und Wirtschaftsdaten.
- Reips, U.-D., & Matzat, U. (2014). Mining “Big Data” using Big Data services. International Journal of Internet Science, 9, 1-8.
- Bruder, M., Göritz, A. S., Reips, U.-D., & Gebhard, R. (2014). Ein national gefördertes Onlinelabor als Infrastruktur für die psychologische Forschung [A nationally funded online laboratory as infrastructure for psychological research]. Psychologische Rundschau, 65(2), 75-85. doi:10.1026/0033-3042/
- Steinmetz, S., Slavec, A., Tijdens, K., Reips, U.-D., Pedraza, P., Popescu, A., … Markov, Y. (2014). WEBDATANET: Innovation and quality in Web-based data collection [Supplement]. International Journal of Internet Science, 9, 64-71.
- Bruder, M., Göritz, A. S., Reips, U.-D., & Gebhard, R. (2014). Aufbruch zum Onlinelabor: Begrüßung der Kommentare [On to the online laboratory: Welcoming the commentaries]. Psychologische Rundschau, 65(2), 92-94. doi:10.1026/0033-3042/a000199
- Reips, U.-D. (2014). The evidence leaves no room for other than the conclusion that fraud was conducted. Commentary on “Fresh misconduct charges hit Dutch social psychology”, Science, 344 (6184), 566-567.doi:10.1126/science.344.6184.566
- Reips, U.-D. (2013). Internetbasierte Methoden [Internet-based methods]. In M. A. Wirtz (ed.), Dorsch, Psychologisches Wörterbuch (16th ed.)(pp. 780-781). Bern: Huber.
- Reips, U.-D. (2013). Web-Experiment [Web experiment]. In M. A. Wirtz (ed.), Dorsch, Psychologisches Wörterbuch (16th ed.)(p. 1660). Bern: Huber.
- Klein, B., Pretel, I., Reips, U.-D., Largo, A. B., & López-de-Ipiña, D. (2013). The Behaviour Assessment Model for the analysis and evaluation of pervasive services. Advances in Information Systems and Technologies, 206, 1129-1140. doi:10.1007/978-3-642-36981-0_107
- Reips, U.-D., & McClelland, G. (2013). Interactive applets on the Web for methods and statistics. University of Amsterdam, AIAS Working Paper 132.
- Reips, U.-D., & Matzat, U. (2013). Article impact means journal impact. International Journal of Internet Science, 8, 1-9.
- Kaufmann, E., Reips U.-D., Wittmann W.W. (2013). A critical meta-analysis of Lens Model studies in human judgment and decision-making. PLoS ONE 8(12): e83528. doi:10.1371/journal.pone.0083528
- Reips, U.-D. (2013). Virtual Euskal Herria (Basque Country): Measuring a special population’s Web ties. Foreword to P. J. Oiarzabal, The Basque diaspora webscape: Identity, nation and homeland, 1990s-2010s. Reno: Center for Basque Studies.
- Reips, U.-D. (2013). Theorie der Kausalmodelle [Causal model theory]. In M. A. Wirtz (ed.), Dorsch, Psychologisches Wörterbuch (16th ed.)(p. 817). Bern: Huber.
- Reips, U.-D. (2013). Virtual experiments: A psychological laboratory on the Internet. In C. Hine (ed.), Virtual Research Methods. London: Sage. ISBN: 978-0-85702-740-5
- Reips, U.-D., & Krantz, J. H. (2013). True experimental data collection on the Internet. In C. Hine (ed.), Virtual Research Methods. London: Sage. ISBN: 978-0-85702-740-5
- Joinson, A. N., Reips, U.-D., Buchanan, T., & Paine Schofield, C. (2013). Privacy, trust, and self-disclosure. In C. Hine (ed.), Virtual Research Methods. London: Sage. ISBN: 978-0-85702-740-5
- Núñez, J., Garaizar, P., & Reips, U. D. (2013). Online Workshop on Privacy using Social Lab, A Social Engineering Wargame. In INTED2013 Proceedings (pp. 6200-6206). IATED.
- Garaizar, P. & Reips, U.-D. (2013). Build your own social network laboratory with Social Lab: a tool for research in social media. Behavior Research Methods, 46(2), 430-438. doi 10.3758/s13428-013-0385-3
- Reips, U.-D. (2013). Internet-based studies. In Marc D. Gellman, J. Rick Turner (eds.), Encyclopedia of Behavioral Medicine (Part 9, pp. 1097-1102). Berlin: Springer. doi: 10.1007/978-1-4419-1005-9_28
- Heilmann, T., & Reips, U.-D. (2012). The mutual influence of technology and leadership behaviors. In M. C. Bocarnea, R. A. Reynolds, & J. D. Baker, Online instruments, data collection and electronic measurements: Organizational advancements (pp. 292-310). Hershey, PA: IGI Global. doi:10.4018/978-1-4666-2172-5
- Funke, F., & Reips, U.-D. (2012). Why semantic differentials in Web-based research should be made from visual analogue scales and not from 5-point scales. Field Methods, 24, 310-327. doi:10.1177/1525822X12444061
- Reips, U.-D., & Buffardi, L. (2012). Studying migrants with the help of the Internet: Methods from psychology. Journal of Ethnic and Migration Studies, 38(9), 1405-1424. doi:10.1080/1369183X.2012.698208
- Oiarzabal, P. J., & Reips, U.-D. (2012). Migration and diaspora in the age of information and communication technologies. Journal of Ethnic and Migration Studies, 38(9), 1333-1338. doi:10.1080/1369183X.2012.698202
- Snijders, C., Matzat, U., & Reips, U.-D. (2012). ‘Big Data’: Big gaps of knowledge in the field of Internet science. International Journal of Internet Science, 7, 1-5.
- Oiarzabal, P. J., & Reips, U.-D. (eds.) (2012). Migration and the Internet: Social networking and diasporas [Special issue]. Journal of Ethnic and Migration Studies, 38(9).
- Reips, U.-D. (2012). Using the Internet to collect data. In H. Cooper, P. M. Camic, R. Gonzalez, D. L. Long, A. Panter, D. Rindskopf, & K. J. Sher (eds.), APA Handbook of Research Methods in Psychology, Vol 2: Research designs: Quantitative, qualitative, neuropsychological, and biological (pp. 291-310). Washington, DC: American Psychological Association. doi:10.1037/13620-017
- Steinmetz, S., Kaczmirek, L., Pedraza, P., Reips, U.-D., Tijdens, K., Lozar Manfreda, K., … Winer, B. (2012). WEBDATANET: A network on web-based data collection, methodological challenges, solutions and implementation [Supplement]. International Journal of Internet Science, 7, 78-89.
- Reips, U.-D. (2011). Journal impact revisited. International Journal of Internet Science, 6, 1-7.
- Reips, U.-D., & Garaizar, P. (2011). Mining Twitter: Microblogging as a source for psychological wisdom of the crowds. Behavior Research Methods, 43, 635-642. doi:10.3758/s13428-011-0116-6
- Reips, U.-D., & Birnbaum, M. H. (2011). Behavioral research and data collection via the Internet. In K.-P. L. Vu and R. W. Proctor (Eds.), The handbook of human factors in Web design (2nd ed., pp. 563-585). Mahwah, New Jersey: Erlbaum.
- Funke, F., Reips, U.-D., & Thomas, R. K. (2011). Sliders for the smart: Type of rating scale on the Web interacts with educational level. Social Science Computer Review, 29, 221-231.
- Reips, U.-D. (2011). Privacy and the disclosure of information on the Internet: Issues and measurement. In A. Blachnio, A. Przepiórka & T. Rowinski (eds.), Internet in Psychological Research (pp. 71-104). Warsaw: UKSW Publishing House.
- Dillman, D. A., Reips, U.-D., & Matzat, U. (2010). Advice in surveying the general public over the Internet. International Journal of Internet Science, 5, 1-4.
- Stieger, S., & Reips, U.-D. (2010). What are participants doing while filling in an online questionnaire: A paradata collection tool and an empirical study. Computers in Human Behavior, 26(6), 1488–1495. doi:10.1016/j.chb.2010.05.013
- Reips, U.-D. & Krantz, J. H. (2010). Conducting true experiments on the Web. In S. Gosling & J. Johnson (eds.), Advanced methods for conducting online behavioral research (pp. 193-216). Washington, DC: American Psychological Association.
- Reips, U.-D. (2010). Design and formatting in Internet-based research. In S. Gosling & J. Johnson (eds.), Advanced methods for conducting online behavioral research (pp. 29-43). Washington, DC: American Psychological Association.
- Joinson, A. N., Reips, U.-D., Buchanan, T., & Paine Schofield, C. (2010). Privacy, trust, and self-disclosure online. Human-Computer Interaction, 25, 1-24. doi: 10.1080/07370020903586662
- Selkälä, A., & Reips, U.-D. (In press). A new 2-dimensional question format in survey design: Assimilation and contrast. Methodological Innovations
- Funke, F., & Reipps, U. D. (2009). Difference and Correspondences Between Visual Analogue Scales, Slider Scales and Radio Button Scales in Web Surveys.
- Bruestle, P. (2009). Doing e-learning/doing gender? Examining the relationship between students’ gender concepts and e-learning technology. Proceedings of GICT 2009.
- Haubner, D., Brüstle, P., Schinzel, B., Remmele, B., Schirmer, D., Holthaus, M., Reips, U.-D. (2009). E-Learning und Geschlechterdifferenzen? Zwischen Selbsteinschätzung, Nutzungsnötigung und Diskurs [E-learning and gender differences? Between self report, forced use, and discourse]. In N. Apostolopoulos, H. Hoffmann, V. Mannsmann, & A. Schwill, E-Learning 2009 – Lernen im digitalen Zeitalter (pp. 41-50). Münster: Waxmann.
- Reips, U.-D., & Matzat, U. (2009). Webometrics for an Open Access start-up journal. International Journal of Internet Science, 4, 1-3.
- Reips, U.-D. (2009). Schöne neue Forschungswelt: Zukunftstrends [Beautiful new world of research: Future trends]. Nicht-reaktive Erhebungsverfahren (pp. 129-138). Bonn, Germany: GESIS Schriftenreihe, Band 1. ISSN 1869-2869, ISBN 978-3-86819-006-9
- Reips, U.-D. (2009). Internet experiments: methods, guidelines, metadata. Human Vision and Electronic Imaging XIV, Proc. SPIE. 7240(1), 724008. (Invited paper by the SPIE-IS&T Science and Technology Electronic Imaging societies). doi:10.1117/12.823416
- Reips, U.-D. (2008). A tutorial to create Web experiments with WEXTOR.
- Joinson, A. N., Paine, C., Buchanan, T., & Reips, U. D. (2008). Measuring self-disclosure online: Blurring and non-response to sensitive items in web-based surveys. Computers in Human Behavior, 24(5), 2158-2171.
- Stieger, S., & Reips, U.-D. (2008). Dynamic Interviewing Program (DIP): Automatic online interviews via the instant messenger ICQ. CyberPsychology and Behavior, 11, 201-207.
- Kaufmann, E., & Reips, U.-D. (2008). Internet-basierte Messung sozialer Erwünschtheit [Internet-based measurement of social desirability]. Saarbrücken: VDM Verlag Dr. Müller.
- Joinson, A., Paine, C., Buchanan, T., & Reips, U.-D. (2008). Measuring self-disclosure online: Blurring and non-response to sensitive items in Web-based surveys. Computers in Human Behavior, 24, 2158-2171. doi:10.1016/j.chb.2007.10.005
- Honing, H., & Reips, U.-D. (2008). Web-based versus lab-based studies: A response to Kendall (2008). Empirical Musicology Review, 3(2), 73-77.
- Reips, U.-D., & Waldmann, M. (2008). When learning order affects sensitivity to base rates: Challenges for theories of causal learning. Experimental Psychology, 55, 9-22.
- Reips, U.-D., & Matzat, U. (2008). High impact of a start-up journal: Surprisingly so? International Journal of Internet Science, 3, 1-6.
- Reips, U.-D., & Funke, F. (2008). Interval level measurement with visual analogue scales in Internet-based research: VAS Generator. Behavior Research Methods, 40, 699–704.
- Reips, U.-D. (2008). Potenziale jenseits der Privatsphäre: Risiken und Chancen internetbasierter Kommunikation [Potentials beyond privacy: Risks and benefits of Internet-based communication]. Psychoscope, 29, 8-11. (Invited paper by the magazine of the Swiss Society of Psychology).
- Reips, U.-D. (2008). How Internet-mediated research changes science. In A. Barak (Ed.), Psychological aspects of cyberspace: Theory, research, applications (pp. 268-294). Cambridge University Press.
- Funke, F., & Reips, U. D. (2007). Improving data quality in Web surveys with visual analogue scales.
- Joinson, A. N., McKenna, K. Y., Postmes, T., & Reips, U. D. (2007). Introduction to the handbook. In Oxford Handbook of Internet Psychology.
- Reips, U. D., & Funke, F. (2007). VAS Generator–A Web-Based Tool for Creating Visual Analogue Scales.
- Stieger, S., Reips, U.-D., & Voracek, M. (2007). Forced-response in online surveys: Bias from reactance and an increase in sex-specific dropout. Journal of the American Society for Information Science and Technology, 58, 1653-1660. doi:10.1002/asi.20651
- Schmitt … Reips … et al. (2007). Geographic distribution of Big Five personality traits: Patterns and profiles of human self-description across 56 nations. Journal of Cross-Cultural Psychology, 38(2), 173-212.
- Paine, C., Reips, U.-D., Stieger, S., Joinson, A., & Buchanan, T. (2007). Internet users’ perceptions of ‘privacy concerns’ and ‘privacy actions’. International Journal of Human-Computer Studies, 65, 526-536. doi:10.1016/j.ijhcs.2006.12.001
- Mangan, M., & Reips, U.-D. (2007). Sleep, sex, and the Web: Surveying the difficult-to-reach clinical population suffering from sexsomnia. Behavior Research Methods, 39, 233-236.
- Joinson, A. N., Woodley, A., & Reips, U.-D. (2007). Personalization, authentication and self-disclosure in self-administered Internet surveys. Computers in Human Behavior, 23(1), 275-285. doi:10.1016/j.chb.2004.10.012
- Joinson, A. N., & Reips, U.-D. (2007). Personalized salutation, power of sender and response rates to Web-based surveys. Computers in Human Behavior, 23(3), 1372-1383. doi:10.1016/j.chb.2004.12.011
- Funke, F. & Reips, U.-D. (2007). Messinstrumente und Skalen [Measuring devices and scales]. In M. Welker & O. Wenzel (Hrsg.), Online-Forschung 2007: Grundlagen und Fallstudien (S. 52-76). Köln: Herbert von Halem.
- Buchanan, T., Paine, C., Joinson, A., & Reips, U.-D. (2007). Development of measures of online privacy concern and protection for use on the Internet. Journal of the American Society for Information Science and Technology, 58, 157-165. doi: 10.1002/asi.20459
- Buchanan, T., Joinson, A. N., Paine, C., & Reips, U.-D. (2007). Looking for medical information on the Internet: Self-disclosure, privacy and trust. He@lth Information on the Internet, 58, 8-9.
- Brucks, W., Reips, U.-D., & Ryf, B. (2007). Group norms, physical distance, and ecological efficiency in common pool resource management. Social Influence, 2, 112 – 135.
- Reips, U.-D., & Matzat, U. (2007). Web 2.0, Internet 2.1? International Journal of Internet Science, 2, 1-2.
- Reips, U.-D. (2007). The methodology of Internet-based experiments. In A. Joinson, K. McKenna, T. Postmes, & U.-D. Reips (Eds.), The Oxford Handbook of Internet Psychology (pp. 373-390). Oxford University Press.
- Joinson, A. N., McKenna, K., Postmes, T., & Reips, U.-D. (Eds.). (2007). The Oxford Handbook of Internet Psychology. Oxford: Oxford University Press.
- Joinson, A. N., Paine, C., Reips, U. D., & Buchanan, T. (2006). Privacy and trust: The role of situational and dispositional variables in online disclosure. In Workshop on Privacy, Trust and Identity Issues for Ambient Intelligence.
- Joinson, A., Paine, C., Buchanan, T., & Reips, U.-D. (2006). Watching me, watching you: Privacy attitudes and reactions to identity card implementation scenarios in the United Kingdom. Journal of Information Science, 32(4), 334-343.
- Reips, U.-D., & Matzat, U. (2006). Internet Science and Open Access: First day of a honeymoon. International Journal of Internet Science, 1, 1-3.
- Reips, U.-D. (2006). Web-based methods. In M. Eid & E. Diener (Eds.), Handbook of multimethod measurement in psychology (pp. 73-85). Washington, DC: American Psychological Association. doi:10.1037/11383-006.
- Reips, U.-D. (2006). Internet-basierte Methoden [Internet-based methods]. In F. Petermann & M. Eid (Hrsg.), Handbuch der Psychologischen Diagnostik (S. 218-225). Göttingen: Hogrefe.
- Reips, U.-D. (invited paper, 2006). Encuestas a empleados a través de Internet: conceptos y descubrimientos [Employee surveys via Internet: Issues and findings]. Investigación y Marketing, 91, 75-79.
- Reips, U.-D. (2006). Computer-vermittelte Kommunikation [Computer-mediated communication]. In H. W. Bierhoff & D. Frey (Hrsg.), Handbuch der Sozialpsychologie und Kommunikationspsychologie (S. 555-564). Göttingen: Hogrefe.
- Paine, C., Joinson, A. N., Buchanan, T., & Reips, U. D. (2006, April). Privacy and self-disclosure online. In CHI’06 Extended Abstracts on Human Factors in Computing Systems (pp. 1187-1192).
- Funke, F., & Reips, U. D. (2005). Stichprobenverzerrung durch browserbedingten Dropout.
- Reips, U.-D., & Lengler, R. (2005). The Web Experiment List: A Web service for the recruitment of participants and archiving of Internet-based experiments. Behavior Research Methods, 37, 287-292.
- Reips, U.-D. (2005). Internet-Forschung in der Entwicklungspsychologie [Internet research in developmental psychology]. In G. Mey (Hrsg.) Handbuch Qualitative Entwicklungspsychologie, S. 455-475. Kölner Studien Verlag.
- Reips, U.-D. (2005). Datenautobahn nutzen: Formen der internetgestützten Datenerhebung [Using the data highway: Types of Internet-supported data collection]. Psychoscope, 26(8), 6-9. (Invited paper by the magazine of the Swiss Society of Psychology).
- Frick, A., Huber, S., Reips, U.-D., & Krist, H. (2005). Task-specific knowledge of the law of pendulum motion in children and adults. Swiss Journal of Psychology, 64, 103-114.
- Birnbaum, M. H., & Reips, U.-D. (2005). Behavioral research and data collection via the Internet. In R. W. Proctor and K.-P. L. Vu (Eds.), The handbook of human factors in Web design (pp. 471-492). Mahwah, New Jersey: Erlbaum.
- Bierhoff, H.-W., Funke, J., Reips, U.-D., & Weichselgartner, E. (2005). Information und Kommunikation 2005: Ein Lagebericht und einige Zukunftsperspektiven [Information and communication 2005: A statement of current affairs and future perspectives]. Psychologische Rundschau, 56, 212-219.
- Joinson, A. N., & Reips, U. D. (2004). Personalization, power and behaviour in on-line panels. German Online Research (GOR), University of Duisburg, Germany.
- Reips, U.-D., & Franek, L. (2004). Mitarbeiterbefragungen per Internet oder Papier? Der Einfluss von Anonymität, Freiwilligkeit und Alter auf das Antwortverhalten [Employee surveys via Internet or paper? The influence of anonymity, voluntariness and age on answering behavior]. Wirtschaftspsychologie, 6(1), 67-83.
- Reips, U.-D., & Stieger, S. (2004). Scientific LogAnalyzer: A Web-based tool for analyses of server log files in psychological research. Behavior Research Methods, Instruments, & Computers, 36, 304-311.
- Reips, U.-D. (2004). Internet-basiertes Experimentieren: Theorie, Methode, Geschichte, Werkzeuge und Empirie. Synopsis zur kumulativen Habilitation.
- Schmitt … Reips … et al. (2004a). Patterns and universals of adult romantic attachment across 62 cultural regions: Are models of Self and Other pancultural constructs? Journal of Cross-Cultural Psychology, 35, 367-402.
- Schmitt … Reips … et al. (2004b). Patterns and universals of mate poaching across 53 nations: The effects of sex, culture, and personality on romantically attracting another person’s partner. Journal of Personality and Social Psychology, 86, 560-584.
- Sassenberg, K., Postmes, T., Boos, M., & Reips, U.-D. (Eds.). (2003). Studying the Internet: A challenge for modern psychology. [Editorial]. Special issue of Swiss Journal of Psychology, 62(2), 75-77.
- Reips, U.-D. (2003). Web-Experimente: Eckpfeiler der Online-Forschung [Web experiments: Cornerstones in Online Research (Rev. ed.)]. In A. Theobald, M. Dreyer & T. Starsetzki (Hrsg.). Online-Marktforschung: Beiträge aus Wissenschaft und Praxis (2. überarbeitete Auflage)(pp.73-89). Wiesbaden: Gabler.
- Reips, U.-D. (2003). Psychologische Forschung zum und im Internet [Psychological research on and in the Internet]. Psychologie in Österreich, 22 (1), 19-25.
- Reips, U.-D. (2003). Online-Erhebungen in den Sozialwissenschaften [Online surveys in the social sciences]. In: Arbeitskreis Deutscher Markt- und Sozialforschungsinstitute e.V. (ADM), Arbeitsgemeinschaft Sozialwissenschaftlicher Institute e.V. (ASI) und Statistisches Bundesamt (Hrsg.), Online-Erhebungen. Bonn: Informationszentrum Sozialwissenschaften.
- Schmitt … Reips … et al.(2003a). Are men universally more dismissing than women? Gender differences in romantic attachment across 62 cultural regions. Personal Relationships, 10 (3), 307-331.
- Schmitt … Reips … et al.(2003b). Universal sex differences in the desire for sexual variety: Tests from 52 nations, 6 continents, and 13 islands. Journal of Personality and Social Psychology, 85, 85-104.
- Batinic, B., Reips, U.-D. & Bosnjak, M. (Eds.). (2002). Online Social Sciences. Seattle: Hogrefe & Huber.
- Reips, U.-D. (2002). Umgekehrtes E-CRM: Wie man Stammkunden verlässlich verliert [Reverse Electronic Customer Relationship Management: How to lose your regular customers for good]. In M. Schögel & I. Schmidt (Hrsg.), Electronic Customer Relationship Management – mit Informationstechnologien Kundenpotenziale nutzen, S. 317-333. Düsseldorf: Symposion.
- Reips, U.-D. (2002). Theory and techniques of conducting Web experiments. In B. Batinic, U.-D. Reips, & M. Bosnjak (Eds.), Online Social Sciences (pp. 229-250). Seattle: Hogrefe & Huber.
- Reips, U.-D. (2002). Context effects in Web surveys. In B. Batinic, U.-D. Reips, & M. Bosnjak (Eds.), Online Social Sciences (pp. 69-80). Seattle: Hogrefe & Huber.
- Reips, U.-D., & Neuhaus, C. (2002). WEXTOR: A Web-based tool for generating and visualizing experimental designs and procedures. Behavior Research Methods, Instruments, & Computers, 34, 234-240.
- Reips, U.-D. (2002). Internet-based psychological experimenting: Five dos and five don’ts. Social Science Computer Review, 20 (3), 241-249. doi:10.1177/089443930202000302
- Reips, U.-D., & Musch, J. (Eds.). (2002). Special issue: Internet-based psychological experimenting. [Editorial]. Experimental Psychology, 49, 241-242. doi 10.1026//1618-3169.49.4.241
- Reips, U.-D. (2002). Standards for Internet-based experimenting. Experimental Psychology, 49, 243-256.
- Buchanan, T., & Reips, U. D. (2001). Technological biases in online research: Personality and demographic correlates of Macintosh and Javascript use. Poster presented at Psychology and the Internet: A European Perspective. Farnborough, UK.
- Reips, UD. The Web Experimental Psychology Lab: Five years of data collection on the Internet. Behavior Research Methods, Instruments, & Computers 33, 201–211 (2001). https://doi.org/10.3758/BF03195366
- Schwarz, S., & Reips, U.-D. (2001). CGI versus JavaScript: A Web experiment on the reversed hindsight bias. In U.-D. Reips & M. Bosnjak (Eds.), Dimensions of Internet Science (pp. 75-90). Lengerich: Pabst.
- Frick, A., Bächtiger, M. T., & Reips, U.-D. (2001). Financial incentives, personal information and drop-out in online studies. In U.-D. Reips & M. Bosnjak (Eds.), Dimensions of Internet Science (pp. 209-219). Lengerich: Pabst.
- Buchanan, T., & Reips, U.-D. (2001). Platform-dependent biases in Online Research: Do Mac users really think different? In K. J. Jonas, P. Breuer, B. Schauenburg & M. Boos (Eds.), Perspectives on Internet Research: Concepts and Methods.
- Reips, U.-D., Morger, V., & Meier, B. (2001). “Fünfe gerade sein lassen”: Listenkontexteffekte beim Kategorisieren [“Letting five be equal”: List context effects in categorization].
- Reips, U.-D., & Bosnjak, M. (Eds.). (2001). Dimensions of Internet Science. Lengerich: Pabst.
- Reips, U.-D. (2001). Merging field and institution: Running a Web laboratory. In U.-D. Reips & M. Bosnjak (Eds.), Dimensions of Internet Science (pp. 1-22). Lengerich: Pabst.
- Reips, U.-D. (2001). Web-Experimente: Eckpfeiler der Online-Forschung [Web experiments: Cornerstones in Online Research]. In A. Theobald, M. Dreyer & T. Starsetzki (Hrsg.). Online-Marktforschung: Beiträge aus Wissenschaft und Praxis (S. 97-112). Wiesbaden: Gabler.
- Reips, U.-D. (2001). The Web Experimental Psychology Lab: Five years of data collection on the Internet. Behavior Research Methods, Instruments, & Computers, 33, 201-211.
- Reips, U. D. (2000). 13 Theory and Techniques of Conducting Web Experiments. Online social sciences, 243.
- Musch, J., & Reips, U.-D. (2000). A brief history of Web experimenting. In M. H. Birnbaum (Ed.), Psychological experiments on the Internet (pp. 61-88). San Diego, CA: Academic Press. doi 10.1016/B978-012099980-4/50004-6
- Reips, U.-D. (2000). Was ist Online-Forschung? Internet-Umfragen-Newsletter, 18, [10.05.2000].
- Reips, U.-D. (2000). Tips zum Erstellen von WWW-Dokumenten (2. überarbeitete Auflage) [Tips for creating WWW documents (Rev. ed.)]. In B. Batinic (Ed.), Internet für Psychologen (S. 631-654). Göttingen: Hogrefe.
- Reips, U.-D. (2000). Das psychologische Experimentieren im Internet (2. überarbeitete Auflage) [Psychological experimenting on the Internet (Rev. ed.)]. In B. Batinic (Ed.), Internet für Psychologen (S. 245-265). Göttingen: Hogrefe.
- Reips, U.-D. (2000). The Web Experiment Method: Advantages, disadvantages, and solutions. In M. H. Birnbaum (Ed.), Psychological experiments on the Internet (pp. 89-118). San Diego, CA: Academic Press.
- Reips, U. D. (1999). Minimalversion eines Web-Experiments. URL: http://www. psych. unizh. ch/genpsy/forschungUR/whatsawex/minimwex. html, 9, 1999.
- Schwarz, Stefan & Reips, Ulf-Dietrich, 1999. “Drop-out wegen JavaScript:,” Sonderforschungsbereich 504 Publications 99-83, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.
- Reips, U.-D. (1999). Online Research with children. In U.-D. Reips, B. Batinic, W. Bandilla, M. Bosnjak, L. Gräf, K. Moser, & A. Werner (Eds.). Current Internet science – trends, techniques, results. Aktuelle Online-Forschung – Trends, Techniken, Ergebnisse. Zürich: Online Press.
- Reips, U.-D., Batinic, B., Bandilla, W., Bosnjak, M., Gräf, L., Moser, K., & Werner, A. (Eds.) (1999). Current Internet science – trends, techniques, results. Aktuelle Online-Forschung – Trends, Techniken, Ergebnisse. Proceedings of German Online Research conference. Zürich: Online Press. [WWW document]
- Reips, U.-D. (1999). Theorie und Techniken des Web-Experimentierens. In B. Batinic, A. Werner, L. Gräf, & W. Bandilla (Eds.), Online Research: Methoden, Anwendungen und Ergebnisse (S. 277-296). Göttingen: Hogrefe.
- Frick, A., Bächtiger, M. T., & Reips, U.-D. (1999). Financial incentives, personal information and drop-out in online studies. In U.-D. Reips, B. Batinic, W. Bandilla, M. Bosnjak, L. Gräf, K. Moser, & A. Werner (Eds.). Current Internet science – trends, techniques, results. Aktuelle Online-Forschung – Trends, Techniken, Ergebnisse. Zürich: Online Press. [WWW document].(proceedings version, 2011 published in revised version).
- Reips, U.-D. (1998). Web-Experiment [Web experiment]. In F. Dorsch, H. Häcker, & K.-H. Stapf (Eds.), Psychologisches Wörterbuch (Vol. 13, pp. 943-944). Bern: Huber.
- Reips, U.-D. (1998). Theorie der Kausalmodelle [Causal model theory]. In F. Dorsch, H. Häcker, & K.-H. Stapf (Eds.), Psychologisches Wörterbuch (Vol. 13, p. 426). Bern: Huber.
- Reips, U.-D. (1998). Erwerb von Kausalwissen: Lernrichtung und Diagnostizität von Effekten [Acquisition of causal knowledge: learning direction and diagnosticity of effects]. St. Augustin: Gardez!
- Reips, U.-D. (1998). Forschung in der Zukunft [Future Science]. In T. Krüger & J. Funke (Eds.), Psychologie im Internet: Ein Wegweiser für psychologisch interessierte User (pp. 115-123). Weinheim: Beltz.
- Reips, U.-D. (1997). Tips zum Erstellen von WWW-Dokumenten [Tips for creating WWW documents]. In B. Batinic (Ed.), Internet für Psychologen (pp. 499-517). Göttingen: Hogrefe.
- Reips, U.-D. (1997). Das psychologische Experimentieren im Internet [Psychological experimenting on the Internet]. In B. Batinic (Ed.), Internet für Psychologen (pp. 245-265). Göttingen: Hogrefe.
- Reips, U.-D. (1997). Der Einfluß der Lernrichtung beim Erwerb von Kausalwissen: Die Berücksichtigung von Diagnostizität. Dissertation [veröffentlicht als Reips, 1998b]. Universität Tübingen.
- Reips, U.-D. (1997). Forschen im Jahr 2007: Integration von Web-Experimentieren, Online-Publizieren und Multimedia-Kommunikation [Science in the year 2007: Integration of web experimenting, online publishing, and multimedia communication]. In D. Janetzko, B. Batinic, D. Schoder, M. Mattingley-Scott und G. Strube (Eds.), CAW-97. Beiträge zum Workshop “Cognition & Web” (pp. 141-148). Freiburg: IIG-Berichte 1/97.
forthcoming
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presentations
- Reips, U.-D. (2023). Without the Internet Artificial Intelligence was Disconnected Stupidity. 53rd Annual Meeting of the Society for Computation in Psychology. San Francisco, November 16.
- Huber, N., Buchmüller, R., & Reips, U.-D. (2023). Validating Google Ngram as a Source for Psychological Research: A Comparative Study of Corpora for Word Trend Analysis. 53rd Annual Meeting of the Society for Computation in Psychology. San Francisco, November 16.
- Miccoli, M., & Reips, U.-D. (2023). Exact vs. Conceptual Replication: Mental Accounting in Internet-Based Experiments. 53rd Annual Meeting of the Society for Computation in Psychology. San Francisco, November 16.
- Shevchenko, Y., & Reips, U.-D. (2023). Fish Lake: A Web-Based Paradigm for Investigating Collective Behavior. 53rd Annual Meeting of the Society for Computation in Psychology. San Francisco, November 16.
- Shevchenko, Y., & Reips, U.-D. (2023, September). Geofencing in location-based behavioral research: Methodology, challenges, and implementation. 16th Meeting of Methods and Evaluation Division of the German Psychological Society (DGP’s). University of Konstanz, September 13.-15.
- Laupper, E., Kaufmann, E., & Reips, U.-D. (2023, September). The late responding phenomenon in web versus mail surveys: A systematic review and meta-analysis. 16th Meeting of Methods and Evaluation Division of the German Psychological Society (DGP’s). University of Konstanz, September 13.-15.
- Kaufmann, E., & Reips, U.-D. (2023, September). A step-by-step primer on conducting meta-analyses: The case of Internet-based research. 16th Meeting of Methods and Evaluation Division of the German Psychological Society (DGP’s). University of Konstanz, September 13.-15.
- Reips, U.-D. (2023, September). Methods of Web-Based Research in Psychology: A review. 16th Meeting of Methods and Evaluation Division of the German Psychological Society (DGP’s). University of Konstanz, September 13.-15.
- Miccoli, M., Miller, M., & Reips, U.-D. (2023, August). Mental accounting of time: An investigation of time as a resource. Subjective Probability Utility and Decision Making (SPUDM) Conference. Vienna, August 20-24.
- iScience’s special Workshop & Symposium held at #SCiP2022 🗣.
- Reips, U.-D., & Caffier, J. (2022, November). WEXTOR 2022: A coding-free experiment generator for web and lab. (SCIP)
- Kaufmann, E., & Reips, U.-D. (2022, November). A Step-by-Step Primer on Conducting Meta-Analyses: The Case of Internet-based Research. (SCIP)
- Lukács, G., Kleinberg, B., & Reips, U.-D. (2022, November). An Ecological Meta-Study Assessment of the “RAF Loop” Javascript Timing Method . (SCIP)
- Miccoli, M., Shevchenko, Y. & Reips, U.-D. (2022, November). The Experience Sampling method in experimental research: A temporal discounting study of preference reversal. (SCIP)
- Shevchenko, Y., & Reips, U.-D. (2022, November). Samply: A user-friendly web and smartphone application for conducting experience sampling studies (Workshop at SCIP).
- Miccoli, M., & Reips, U.-D. (2022, March). The blurring technique in experiments: A measure for sensitive versus non-sensitive contexts. Tagung experimentell arbeitender Psycholog:innen (TeaP), Online Conference.
- iScience’s special symposium held at #SCiP2021 🗣.
- Reips, U.-D., Meisinger, N., Shevchenko, Y. & Birnbaum, M. H. (2021, November). “I am willing to pay a million”: Influences on informed consent in Web experiments. In 51st Annual Meeting of the Society for Computation in Psychology (SCIP).
- Miccoli, M., & Reips, U.-D. (2021, November). The Blurring Technique in Measurement: A Comparison of Text Boxes and Drop-Down Menus. In 51st Annual Meeting of the Society for Computation in Psychology (SCIP).
- Shevchenko, Y. & Reips, U.-D. (2021, November). A Social Context-Aware Notification Model for Experience-Sampling Research. In 51st Annual Meeting of the Society for Computation in Psychology (SCIP).
- Kaufmann, E., & Reips, U.-D. (2021, October). Herausforderungen bei Meta-Analysen: Datenqualität Online und Online. Online Workshop. DigiGEBF, Gesellschaft für Empirische Bildungsforschung, 29.10.
- Reips, U.-D. & Kaufmann, E. (2021, October). Herausforderungen bei Online Untersuchungen. Online Workshop. DigiGEBF, Gesellschaft für Empirische Bildungsforschung, 22.10.
- Laupper, E., Kaufmann, E., & Reips, U.-D. (2021, September). Better late than not at all? A systematic review on late respondents in (web) survey. General Online Research (GOR’ 21). Online Conference, September, 8.-10.
- Reips, U.-D. (2021, March). Tagung experimentell arbeitender Psychologen 2021; Conference of Experimental Psychologists 2021 (TeaP2021).
- Reips, U.-D. (2020, November). New tools and results in Internet-based experimenting and experience sampling. 50th annual meeting of the Society for Computation in Psychology (SCiP).
- Reips, U.-D., Duca, D., Jovanovic, M. & Dumouchel, S. (2020, July). In ICTeSSH conference.
- Kuhlmann, T., Shevchenko, Y., & Reips, U.-D. (2019, November). The visual analogue scale and its variation for ranked comparisons: Comparing response accuracy. Presentation given at the 49th Annual Meeting of the Society for Computers in Psychology, Montréal, QC, Canada.
- Editor’s talk: U.-D. Reips and G. Bacigalupe presented before Deusto’s post-docs
- Reips, U.-D.: Behavioral Research and Data Collection via the Internet, Jacobs University Bremen
- Funke, F. & Reips, U.-D.: Better low-tech than sorry: How technophile questionnaires may affect psychological representativeness. GOR12, 6 March 2012, Mannheim, Germany.
- Reips, U.-D. & Garaizar, P.: Searching Twitter on http://tweetminer.eu/ : Data mining as a resource for researchers. GOR12, 7 March 2012, Mannheim, Germany.
- Reips, U.-D.: Online Experiments. General Online Research Conference (GOR 2012), 5 March 2012, Mannheim, Germany.
- Reips, U.-D.: Internet-based assessment: Challenges and solutions. Invited Symposium “Online Assessment”, 11th European Conference on Psychological Assessment (ECPQ 2011), 31 August – 3 September 2011, Riga, Latvia.
- Reips, U.-D., Buffardi, L., & Kuhlmann, T. (2011, March). Using Amazon’s Mechanical Turk for the recruitment of participants in Internet-based research. 13th General Online Research meeting, University of Düsseldorf, Germany.
- Reips, U.-D.: BaNOian Instead of BaYESian. 49th Edwards Bayesian Research Conference, Jan. 12-14., California State University at Fullerton (LA), USA.
- Reips, U.-D.: Dropout in Web-based studies: Methodology. Fourth Conference of the European Survey Research Association (ESRA), 18th – 22nd of July, 2011, Lausanne, Switzerland.
- Reips, U.-D.: Current trends in Internet-based research. Miami University Department of Psychology Colloquium Series, Miami University, Oxford, USA.
- Reips, U.-D.: Innovations in Web-based data collection. Inaugural presentation, Chair of Working Group 2, Kick-off-Meeting, European Science Foundation COST Action “WEBDATANET”, June 17, 2011, Brussels, Belgium.
- Reips, U.-D.: Advanced Training Institute (ATI) in the field of Web-based studies of Decision, Risk, and Management Sciences, invited and sponsored by the National Science Foundation. California State University at Fullerton, USA.
- Reips, U.-D.: Using the Internet in research. Invited pre-conference workshop to Society for Personality and Social Psychology (SPSP) conference. San Antonio, USA.
- Reips, U.-D.: Online Experiments. Invited pre-conference workshop at the 13th General Online Research meeting, University of Düsseldorf, Germany.
- Esther Kaufmann, Reips, Ulf-Dietrich, & Wittmann, Werner: Detect and correct the lies that data in medical studies tell: Which type of meta-analysis? The 32nd Annual Meeting of the Society for Medical Decision Making, Toronto, Canada.
- Reips, Ulf-Dietrich, & Heilmann, Tobias: Askito: An open source Web questionnaire tool. 39th meeting of the Society for Computers in Psychology (SCiP) conference, St. Louis, MO (USA).
- Using HTML5 in Internet-based research. 39th meeting of the Society for Computers in Psychology (SCiP) conference, St. Louis, MO (USA).
- Reips, Ulf-Dietrich, & Frauendorfer, Denise: Simpson’s Paradox in a Web experiment: The impact of cognitive focus, expertise, sample size, and trend information on causal inference. 31st Society for Judgment and Decision Making (SJDM) conference, St. Louis, MO (USA), November 18-21.
- Reips, Ulf-Dietrich, & Garaizar, Pablo: Mining Twitter: microblogging as a source for psychological wisdom of the crowds. 39th meeting of the Society for Computers in Psychology (SCiP) conference, St. Louis, MO (USA).
- Open Access in practice: The example of ijis.net. Open Access Week, Faculty of Engineering, Universidad de Deusto, Bilbao, Spain.
- How Internet-mediated research changes science. Invited address, Migration and ICTs IMISCOE conference, Faculty of Human and Social Sciences, Universidad de Deusto, Bilbao, Spain.
- Esther Kaufmann & Ulf-Dietrich Reips. Eine Einführung zu Online-Forschung: Vor- und Nachteile, Stolpersteine. Educational University Central Switzerland, Institute for the Management and Economics of Education, Zug, Switzerland.
- Funke, Frederik, & Reips, Ulf-Dietrich: Increase statistical power with visual analogue scales. 12th General Online Research (G.O.R.) conference, University of Applied Sciences, Pforzheim.
- Webometrie als neues Analysewerkzeug in der Psychologie. 47th Congress of the German Society for Psychology, Bremen, Sept. 26-29, 2010.
- Funke, Frederik, & Reips, Ulf-Dietrich: Formatting error with ordinal rating scales and visual analogue scales. 12th General Online Research conference, University of Applied Sciences, Pforzheim.
- Frauendorfer, Denise, & Reips, Ulf-Dietrich: Simpson’s paradox on the Web: The impact of cognitive focus, sample size, and trend information on social inference. 12th General Online Research conference, University of Applied Sciences, Pforzheim.
- Funke, Frederik, & Reips, Ulf-Dietrich: Detecting small effects with visual analogue scales. XVIIth ISA World Congress of Sociology, Göteborg, Sweden.
- Esther Kaufmann, Reips, Ulf-Dietrich & Wittmann, Werner: Urteilen Psychologen ungenau? – Eine psychometrische Meta-Analyse der Tucker’schen Urteilsgenauigkeit. 47th Congress of the German Society for Psychology, Bremen, Sept. 26-29, 2010.
- Conducting Research on the Internet. Swiss Foundation for Research in Social Sciences (FORS), University of Lausanne, Switzerland.
- Funke, F., & Reips, U.-D.: Internet survey methods: Evolutions and revolutions. Paper presented at the 1st International Workshop on Internet Survey, Deajeon, South Korea, Sept. 09-10, 2009.
- Funke, F., & Reips, U.-D.: Yes, VASs can! Visual analogue scales for Web-based research. Internet Survey Methodology (ISM) Meeting, Bergamo, Italy, Sept. 17-19, 2009.
- Psychologische Befunde zu Simpsons Paradoxon: Wenn oberflächliche und tiefe Datenanalysen gegenteilige Aussagen stützen. Institute for Operations Research and Computational Finance, University of St. Gallen, Switzerland.
- e-Research – neue Möglichkeiten für die Sportmotorik? [e-research – new options for sport motorics?] Opening Keynote, Tagung Informations- und Kommunikationstechnologien in der Sportmotorik, Darmstadt, January 22-24, 2009.
- Internet Science. Keynote speech at the British Psychological Society Centenary Event conference: “Psychology And The Internet: A European Perspective”, Farnborough, UK. Nov. 7-9, 2001.
