Dr. David Izydorczyk

Dr. David Izydorczyk

SMiP Cohort 2018

Primary Advisor:  Prof. Dr. Arndt Bröder (University of Mannheim)

Additional Supervisors: Prof. Benjamin Hilbig, Ph.D, Prof. Jeffrey Rouder, Ph.D.

Dissertation: Improving and Extending Models of Quantitative Judgments

Degree: Dr. rer. soc., received from the University of Mannheim in December 2022

First Placement: Postdoctoral researcher at the University of Mannheim

  • Research Areas

    • Exemplar-based and rule-based processes in judgment Bayesian Hierarchical Modeling
  • Teaching (SMIP)

    • Workshop “Advanced topics in R” in spring / summer 2023
    • Workshop “Introduction to R: Basics” in fall / winter 2022
    • Workshop “Introduction to R: Advanced” in fall / winter 2022
    • Workshop “Introduction to Shiny in R” (together with Raphael Hartmann) in spring / summer 2022
    • Workshop “R Package Building” (together with Raphael Hartmann) in spring / summer 2022
    • Workshop “Writing APA-style Manuscripts in R” in spring / summer 2022
    • Workshop “Browser-based Experimentation with lab.js” in fall / winter 2021
    • Workshop “Modern R” in spring / summer 2021
    • Workshop “Advanced topics in R” (together with Martin Schnuerch) in spring / summer 2020
    • Workshop “Modern R” in spring / summer 2020
  • Publications

    Izydorczyk, D. & Bröder, A. (in press). What is the airspeed velocity of an unladen swallow? Modeling numerical judgments of realistic stimuli. Psychonomic Bulletin & Review.

    Izydorczyk, D. & Bröder, A. (2021). Exemplar-based judgment or direct recall: On a problematic procedure for estimating parameters in exemplar models of quantitative judgment. Psychonomic Bulletin & Review. Advance online publication. https://doi.org/10.3758/s13423-020-01861-1

    Appel, M., Izydorczyk, D., Weber, S., Mara, M., & Lischetzke, T. (2020). The uncanny of mind in a machine: Humanoid robots as tools, agents, and experiencers. Computers in Human Behavior, 102, 274–286. https://doi.org/10.1016/j.chb.2019.07.031

    Mascarenhas, M. F., Dübbers, F., Hoszowska, M.,  Köseoğlu, A.,  Karakasheva, R. B. Topal, A. & Izydorczyk, D., Lemoine, J. E. (2018). The power of choice: A study protocol on how identity leadership fosters commitment toward the organization. Frontiers in Psychology.Doi: 9. 1677. 10.3389/fpsyg.2018.01677 .

    Lischetzke, T., Izydorczyk, D., Hüller, C., & Appel, M. (2017). The topography of the uncanny valley and individuals’ need for structure: A nonlinear mixed effects analysis. Journal of Research in Personality, 68, 96–113. https://doi.org/10.1016/j.jrp.2017.02.001 .

  • Talks

    Izydorczyk, D. (2021). Judgment or recall: On the problematic procedure for estimating parameters of exemplar models in experiments of quantitative judgment. Talk given at the 63rd Conference of Experimental Psychologists (TeaP), online.

    Izydorczyk, D. (2019). Measuring rule- and exemplar-based processes with the RulEx-J Model. Talk given at the IOPS / SMiP Summer Conference 2019, Utrecht, the Netherlands.

    Izydorczyk, D. (2019). Simulating the ecology: Using the BIAS model to simulate and explain contradicting evidence of the out-group homogeneity effect, the intergroup bias, and the density hypothesis. Talk given at the Subjective Probability Utility and  Decision Making (SPUDM) Conference 2019, Amsterdam, the Netherlands.

    Izydorczyk, D. (2019). Simulating the ecology: Using the BIAS model to simulate and explain contradicting evidence of the out-group homogeneity effect, the intergroup bias, and the density hypothesis. Talk given at the17th Meeting of the Section Social Psychology of the German Psychological Society (DGPs), Cologne, Germany.

    Halmburger, A., Baumert, A., Schmidt, C., & Izydorczyk, D. (2018). Perception of and reactions to every-day violations of (moral) norms. Vortrag auf der Konferenz der Deutschen Gesellschaft für Psychologie (DGPS), 17.-20. September, Frankfurt a. M.

    Mascarenhas, M. F., Dübbers, F., Hoszowska, M., Köseoğlu, A., Karakasheva, R., Topal, A. B., Izydorzcyk, D.,  Lemoine, J. E. (2018). How identity leadership fosters commitment towards the organisation. Presentation on the Junior Researcher Programme Conference, Cambridge, United-Kingdom, 2018, 13–14 August.

  • Posters

    Izydorcyck, D. (2019, June). Measuring rule- and exemplar-based processes in judgment. Poster at the 34th IOPS/SMiP Summer Conference, 13–14 June 2019, Utrecht, Netherlands.