News
Nov. 2024: The AG General Psychology warmly welcomes foreign language assistant Vera Broszeit to the team.
Cogsci 24: We congratulate Ann-Katrin Hosch, Ludwig Danwitz, Vedant Shah and René Schlegelmilch on the acceptance of their papers "Category Learning in Context: Modelling an Assimilation Process in Self-regulated Category Learning", "Framing the Exploration-Exploitation Trade-Off: Distinguishing Between Minimizing Losses and Maximizing Gains", "XOR in Order: Category Learning of Exclusive-Or in a Temporal Sequence" und "Reward Count(s): Negative Recency in Probabilistic Experience-Based Learning" as full papers at COGSCI 2024 in Rotterdam.
Seitz, F. I., Jarecki, J. B., Rieskamp, J., & von Helversen, B. (2025). Disentangling Perceptual and Process-Related Sources of Behavioral Variability in Categorization. Perspectives on Psychological Science, https://doi.org/10.1177/17456916241264259
Seitz, F.I., Albrecht, R., von Helversen, B., Rieskamp, J. & Rosner, A. (2025). Identifying similarity- and rule-based processes in quantitative judgments: A multi-method approach combining cognitive modeling and eye tracking. Psychonomic Bulletin and Review. https://doi.org/10.3758/s13423-024-02624-y
Danwitz, L., & von Helversen, B. (2025). Observational learning of exploration-exploitation strategies in bandit tasks. Cognition, 259, 106124. https://doi.org/10.1016/j.cognition.2025.106124
Baumann, C., Schlegelmilch, R., & von Helversen, B. (2025). Beyond risk preferences in sequential decision-making: How probability representation, sequential structure and choice perseverance bias optimal search. Cognition, 254, 106001.https://doi.org/10.1016/j.cognition.2024.106001
Rosner, A., Brändli, F., & von Helversen, B. (2024). Eye movements as a tool to investigate exemplar retrieval in judgments. Judgment and Decision Making. 19, e8. https://doi.org/10.1017/jdm.2024.3 has been published.
- Hosch, A.-K., Wirtz, P., & von Helversen, B. (2024). Prior Experience of Variability Influences Generalization of Unspecified Categories. Quarterly Journal of Experimental Psychology. https://doi.org/10.1177/17470218231210491 has been published.
- Hosch, A.-K., Hoffmann, J. A., & von Helversen, B. (2024). Category learning processes in the light of variability: Insights from a self-regulated category learning task. Journal of Experimental Psychology: Learning, Memory, and Cognition. Advance online publication. https://doi.org/10.1037/xlm0001422
Oberauer, K., & Lin, H.-Y. (2023). An interference model for visual and verbal working memory. Journal of Experimental Psychology: Learning, Memory, and Cognition. Advance online publication. https://doi.org/10.1037/xlm0001303
Lin, H.-Y. and von Helversen, B. (2023), Never gonna give you up even when it is suboptimal. Cognitive Science, 47: e13323. https://doi.org/10.1111/cogs.13323 has been published.
Open Campus 2023 - The team of the AG General Psychology has presented our research on decision psychology at the Open Campus of the University of Bremen on June 24th.
Seitz, F., I., von Helversen, B., Albrecht, R., Rieskamp, J., & Jarecki, J. (2023). Testing three coping strategies for time pressure in categorizations and similarity judgments. Cognition, 233, 105358. https://doi.org/10.1016/j.cognition.2022.105358 has been published.
Bratzke, D., Bryce, D. (2022). Subjective estimates of total processing time in dual-tasking: (some) good news for bad introspection. Psychological Research. https://doi.org/10.1007/s00426-022-01762-z has been published.
Baumann, C., Schlegelmilch, R., & von Helversen, B. (2022). Adaptive behaviour in optimal sequential search. Journal of Experimental Psychology: General. Advance online publication. https://doi.org/10.1037/xge0001287 has been published.
Aubert, A., Lienert, J., & von Helversen, B. (2022). Gamified environmental multi-criteria decision analysis: Information on objectives and range insensitivity bias. International Transactions in Operational Research. https://doi.org/10.1111/itor.13206 has been published.
Bratzke, D., & Bryce, D. (2022). Timing of internal processes: Investigating introspection about the costs of task switching and memory search. Attention, Perception & Psychophysics, 84,1501–150. https://doi.org/10.3758/s13414-022-02510-6 has been published.
The following article by Ludwig Danwitz has been published: Danwitz, L., Mathar, D., Smith, E. et al. Parameter and Model Recovery of Reinforcement Learning Models for Restless Bandit Problems. Comput Brain Behav (2022). https://doi.org/10.1007/s42113-022-00139-0
From 08.07. - 10.07.2022 the 11th doctoral workshop in general psychology will take place in the COGNIUM of the University of Bremen. It was organized by Ludwig Danwitz, Talke Blaser, Lea Eichfelder, Valentin Koob, Ann-Katrin Hosch and Vedant Shah from the working groups Helversen and Janczyk. You can find more information on the "A-Dok" website.
- On June 9th 2022 members of the working groups Helversen and Janczyk had a fun night at a bowling alley in Findorff.
- June: A new scientific paper has been published: De Clercq, E., Grotzer, M., Landolt, M. A., von Helversen, B., Flury, M., Rössler, J., ... & Streuli, J. (2022). No wrong decisions in an all‐wrong situation. A qualitative study on the lived experiences of families of children with diffuse intrinsic pontine glioma. Pediatric Blood & Cancer, e29792. https://doi.org/10.1002/pbc.29792
- The following publications of members our working group have been published:
- Rydzewska, K., Koscielniak, M., von Helversen, B., & Sedek, G. (2022). Age differences in complex decision making and judgment. In G. Sedek, T. Hess & D. Touron (Eds). Multiple Pathways of Cognitive Aging: Motivational and Contextual Influences (203-234). New York, NY: Oxford University Press
- Rosner, A., Basieva, I., Barque-Duran, A., Gloeckner, A., von Helversen, B., Khrennikov, A., & Pothos E. (2022). Ambivalence in Decision Making: An Eye Tracking Study. Cognitive Psychology,134, 101464. https://doi.org/10.1016/j.cogpsych.2022.101464
- Lin, H.-Y., & Oberauer, K. (2022). An interference model for visual working memory: Applications to the change detection task. Cognitive Psychology, 133, 101463. https://doi.org/10.1016/j.cogpsych.2022.101463
- November: "When the eyes have it and when not: How multiple sources of activation combine to guide eye movements during multiattribute decision making" by A. Rosner, M. Schaffner and B. Helversen was published in the Journal of Experimental Psychology: General. The article "A cognitive category-learning model of rule abstraction, attention learning, and contextual modulation" by R. Schlegelmilch, A.J. Wills and B. Helversen was published in the Psychological Review.
- October: Congratulations! Dr. René Schlegelmilch took 2nd place in the 12th dissertation competition of the General Psychology Department.
- May: A Linear threshold model for optimal stopping behaviorvon Christiane Baumann (University of Zurich), Henrik Singmann (University of Warwick) und Samuel J. Gershman (Harvard University) und Bettina von Helversen (University of Bremen) has been published.
- April: Due to the measures to protect against the spread of the corona virus, no face-to-face events or office hours are currently possible. The teaching takes place as online teaching. Office hours are possible as video chat. Please contact the lecturers or Mrs. Eisenstein for an appointment.
- March: Also published in March: "The influence of reward magnitude on stimulus memory and stimulus generalization in categorization decisions." by B. Helversen and R. Schlegelmilch, as well as "Money does not stink: Using unpleasant odors as stimulus material changes risky decision making" by B.Helversen, Géraldine Coppin and Benjamin Scheibehenne.
- March: Stress ‐ related changes in financial risk taking by Bettina von Helversen (University of Bremen) and Jörg Rieskamp (University of Basel) has been published.
- 01.03.2020: On March 1st, 2020 Dr. Daniel Bratzke began his service as a lecturer at the Institute of Psychology. We would like to welcome Dr. Bratzke in our Team and look forward to a good cooperation!
- 25.11.2019: We congratulate René on the successful defense of his dissertation "The Interaction between Reward Magnitude and the Processes of Category Abstraction Learning"!
- 21.11.2019: Publication „Unstacking Judgment: What response distributions reveal about the cognitive processes in multi-cue judgment“ has been released. Albrecht, R., Hoffmann, J.A., Pleskac, T., Rieskamp, J., & von Helversen, B. (2019). Unstacking Judgment: What response distributions reveal about the cognitive processes in multi-cue judgment. Journal of Experimental Psychology: Learning, Memory and Cognition. doi: 10.1037/xlm0000772
- 01.11.19: We warmly welcome Carina Hartz to our General Psychology Team. Carina will support us as a student assistant.
- 01.10.2019 We welcome our colleague Renè Schlegelmilch into our team. René comes to us from the University of Zurich where he is about to complete his doctoral thesis on category learning.
- September 2019: Publication „Memory shapesjudgments: Tracinghowmemory biases judgments byinducing the retrieval of exemplars“ has been released.
