Dr. Nadia Said

Projects

• Modal and Amodal Event Representations and the Role of Meta-Cognition for Dynamic Event Comprehension (link to project description)

• Understanding the Underlying Mechanisms of Information Processing and Propagation – The Role of Metacognition (link to project description)

• Psychological Determinants of Risk Perception about Artificial Intelligence (link to project description)

• Application of Agent-based Modeling to Understand Information Spread in Echo chambers

Publications

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Publications in Journals

2024

• Buder, J., & Said, N. (2024). How selective response in online discussions is (unexpectedly) shaped by confidence, knowledge, and age. New Media & Society. https://journals.sagepub.com/doi/10.1177/14614448241247214

2023

• Fischer, H., Huff., M., Anders, G., & Said, N. (2023). Metacognition, public health compliance and vaccination willingness. Proceedings of the National Academy of the Sciences (PNAS). www.pnas.org/doi/10.1073/pnas.2105425120

• Kaup, B., Ulrich, R., Bausenhart, K. M., Bryce, D., Butz, M. V., Dignath, D., Dudschig, C., Franz, V. H., Friedrich, C., Gawrilow, C., Heller, J., Huff, M., Hütter, M., Janczyk, M., Leuthold, H., Mallot, H., Nürk, H.-C., Ramscar, M., Said, N., Svaldi, J., Wong, H. Y. (2023). Modal and amodal cognition: An overarching principle in various domains of psychology. Psychological Research. https://doi.org/10.1007/s00426-023-01878-w

• Schwesig, R.*, Brich, I. B., Buder, J., Huff, M., Said, N.* (2023). Using artificial intelligence (AI)? Risk and opportunity perception of AI predict people’s willingness to use AI. Journal of Risk Research. https://doi.org/10.1080/13669877.2023.2249927

• Utz, S., Huff, M. & Said, N. (2023). Are you worried about getting COVID-19 or about losing your job? How different COVID-19 related fears are indirectly related to vaccination acceptance via media consumption. European Journal of Health Communication. https://doi.org/10.47368/ejhc.2023.305

• Said, N.*, Frauhammer, L. T.*, & Huff, M. (2023). Consensus Messaging in Climate Change Communication: Metacognition as Moderator Variable in the Gateway Belief Model. Journal of Environmental Psychology. https://doi.org/10.1016/j.jenvp.2023.102128

• Said, N., Potinteu, A. E., Brich, I. R., Buder, J., Schumm, H., & Huff, M. (2023). An Artificial Intelligence Perspective: How Knowledge and Confidence Shape Risk and Benefit Perception. Computers in Human Behavior. https://doi.org/10.1016/j.chb.2023.107855

2022

• Said, N.*, Frauhammer, L.* & Huff, M. (2022). Pre-registered replication of the gateway belief model – results from a representative German sample. Journal of Environmental Psychology. https://doi.org/10.1016/j.jenvp.2022.101910

• Fischer, H., Huff, M., & Said, N. (2022). Polarized climate change beliefs: No evidence for science literacy driving motivated reasoning in a U.S. national study. American Psychologist. https://doi.org/10.1037/amp0000982

2021

• Said, N.*, Fischer, H.*, & Anders, G. (2021). Contested Science: Individuals with higher metacognitive insight into interpretation of evidence are less likely to polarize. Psychonomic Bulletin & Review. doi.org/10.3758/s13423-021-01993-y

• Said, N. & Fischer, H. (2021). Extrapolation accuracy underestimates rule learning: Evidence from the function-learning paradigm. Acta Psychologica, 218. doi:10.1016/j.actpsy.2021.103356

• Fischer, H. & Said, N. (2021). Importance of domain-specific metacognition for explaining beliefs about politicized science: The case of climate change. Cognition, 208, 104545. doi:10.1016/j.cognition.2020.104545

2019

• Fischer, H., Amelung, D., & Said, N. (2019). The accuracy of German citizens' confidence in their climate change knowledge. Nature Climate Change, 9(10), 776-780. doi:10.1038/s41558-019-0563-0

2016

• Said, N., Engelhart M,. Kirches C., Körkel S., & Holt D.V. (2016). Applying Mathematical Optimization Methods to an ACT-R Instance-Based Learning Model. PLoS ONE 11(7): e0158832. doi:10.1371/journal.pone.0158832

2015

• Hundertmark, J., Holt, D. V., Fischer, A., Said, N., & Fischer, H. (2015). System structure and cognitive ability as predictors of performance in dynamic system control tasks. Journal of Dynamic Decision Making, 1, 5. doi: 10.11588/jddm.2015.1.26416

* equal contribution

Publications in Proceedings

• Said, N., Engelhart, M., Kirches, C., Körkel, S., & Holt, D. V. (2015). Mathematical Formalization and Optimization of an ACT-R Instance-Based Learning Model. In N. A. Taatgen, M. K. van Vugt, J. P. Borst, & K. Mehlhorn (Eds.), Proceedings of the 13th International Conference on Cognitive Modeling (pp. 25-31). Groningen, the Netherlands: University of Groningen.

Grants

• 2023 to 2026 Co-lead and co-applicant of subproject SP A 7 "Von Ereignismodellen zu Ereignisschemata: Modale und amodale Ereignisrepräsentationen und die Rolle der Metakognition für das dynamische Verständnis von Ereignissen". The project is part of the research group "Modale und Amodale Kognition: Funktionen und Interaktionen."

• Post-Doc Grant “Intramurale Projektförderung für NachwuchswissenschaftlerInnen 2021”: Politicized science, media, and metacognition: Developing tools to tackle the spread of misinformation and reduce belief polarization

• SAW Post-Doc Network “Cognitive Conflicts during media use” (2020): Reducing belief polarization: The role of cognitive conflicts and metacognition (with Winter, K.)

• HCE (2018): Influence of Confirmation Bias and Openness on the Emergence of Echo Chambers and Belief Polarization in the Context of Climate Change

• ZUK 5.4 Scientific Computing (2018): Influence of Objective and Subjective Understanding of Functional Relationships on Making Predictions and Decisions in the Domain of Climate Change (with Fischer, H., Potschka, A., van den Broek K., Amelung, D., Kirches, C.)

• FRONTIER (2017) (Exzellenzinitiative „Heidelberg: Realising the Potential of a Comprehensive University“): An Agent-based Modeling Approach to Information Spread in Filter Bubbles (with Fischer, H., Potschka, A., Kirches, C.)

• Field of Focus 4 (2016): Self-regulation of common property resources: Using Agent-Based Modeling for Exploration of the Influence of Working Memory Capacity in CPR Dilemmas (with Fischer, H., Kirches, C. & Amelung, D.)

• ZUK 5.4 Scientific Computing (2016): Situational and personal factors that contribute to a better understanding of climate change (with Fischer, H., Amelung, D., Kirches, C., & Körkel, S.)

Conference Contributions

• Potinteu, A.E., Said, N., Anders, G. & Huff, M. (2024). Judging Sharing with Robots: A Third-Person Perspective on Prosociality. Poster at the IEEE RO-MAN 2024, California, USA.

• Said, N., Schumacher, L. & Huff M. (2024). The Influence of Medical and AI Knowledge on Risk and Benefit Perceptions of AI Applications. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Hamaloğlu, S., Huff, M., Fleming, S., Anders, G., Papenmeier, F. & Said, N. (2024). Metacognition and the Event Completion Paradigm: The Role of Metacognitive Sensitivity During Event Perception. Poster at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Aydin, T., Hamaloğlu, S., Nolasco, S., Said, N. & Huff M. (2024). Grain of Events Shape Modality of Their Representations: Fine Context Triggers Modal Representations. Poster at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Lindner, D., Said, N. & Varkentin, E. (2024). How induced controllability affects climate change risk perception and learned helplessness. Poster at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Schenk, C., Becker, F. & Said, N. (2024). Deepening Knowledge, Preserving Opinion: The differential Impact of Gamification within a Depolarization Intervention. Poster at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Potinteu, A. E., Wendt, S. & Said, N. (2024). Manipulating Trust in Artificial Intelligence: the Impact of AI Framing. Poster at the Tagung experimentell arbeitender Psychologen (TeaP2024), Regensburg, Germany.

• Said, N., Wagner, J. & Potinteu, A.-E. (2023). Robots vs. AI - How Attitudes, Familiarity, Anthropomorphism, Knowledge, and Risk-Opportunity Perception Influence Users’ Preference for Robots and Artificial Intelligence Poster at the IEEE RO-MAN 2023, Busan, Korea.

• Potinteu, A.-E., Said, N., Jahn, G. & Huff, M. (2023). Humans Helping Robots: The Role of Knowledge, Attitudes, and Context of Use Poster at the IEEE RO-MAN 2023, Busan, Korea.

• Buder, J., Mertens, R., Roozenbeek, J. & Said, N. (2023). Developing a new inventory that captures the ability to discern manipulative online content. Talk, part of the Symposium: “Fake or Fact? Novel Measures of Disinformation Discernment” at 19th General Meeting of the European Association of Social Psychology (EASP2023), Krakow, Poland.

• Said, N., Frauhammer, L. T. & Huff, M. (2023). Consensus Messaging in Climate Change Communication: Metacognition as Moderator Variable in the Gateway Belief Model. Talk at the International Conference on Environmental Psychology (ICEP 2023), Aarhus, Denmark.

• Frauhammer, L. T., Huff, M., & Said, N. (2023). Pre-registered replication of the gateway belief model using a representative German sample. Talk at the International Conference on Environmental Psychology (ICEP 2023), Aarhus, Denmark.

• Wöfl, V. & Said, N. (2023). Impact of Different Narratives About Climate Change on Learned Helplessness and Motivation to Act. Poster at the International Conference on Environmental Psychology (ICEP 2023), Aarhus, Denmark.

• Said, N., Brich, I., & Antes, N. (2023). Understanding Sharing Behavior on Social Media Platforms - The Influence of Knowledge and Confidence. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2023), Trier, Germany.

• Potinteu, A.-E., Renftle Daniela & Said, N. (2023). Use Intention of AI Applications: the Effect of Knowledge and Risk and Opportunity Assessment. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2023), Trier, Germany.

• Said, N., Schumacher, L.,& Huff, M. (2022). Artificial Intelligence in Medicine: The Influence of Medical Expertise, AI Knowledge, and Confidence in AI Knowledge on AI Risk/Opportunity Perception. Poster at the Psychonomic Society 63nd Annual Meeting, Virtual & On-Site in Boston, Massachusetts, USA.

• Said, N., Brich, I.,& Antes, N. (2022). Understanding Sharing Behavior on Social Media Platforms: The Influence of Knowledge and Confidence. Talk at the Autumn Meeting of Experimental Cognitive Psychologists (HexKoP), Greifswald.

• Fischer, H., Huff, M. & Said, N. (2022). Computational social science models as a story-telling tool to explore shifts and kicks towards climate action. Talk at the DGPs Congress 2022, Hildesheim.

• Gunser, Gottschling, Brucker, Said, N. & Gerjets (2022). Metacognitive awareness of readers in differentiation between human and AI poetry. Talk at the DGPs Congress 2022, Hildesheim.

• Said, N. (Symposium Chair), Potinteu, A.-E. (Symposium Chair), Schwesig, R., Brich, I., Buder, J., Becker, F., Schlicht, T., Weber-Guskar, E., Newen A. & Huff M. (2022). Interaction with Artificial Intelligence - An Interdisciplinary Perspective. Symposium at the 2022 Tagung experimentell arbeitender Psycholog:innen (TeaP), Cologne.

• Utz, S., Huff, M., & Said, N. (2021). Angst um die Gesundheit oder vor finanziellen Einbußen? Ängste in der Corona-Pandemie als Determinanten von Medienkonsum und Impfakzeptanz. Talk at the 6. Jahrestagung der DGPuK-Fachgruppe Gesundheitskommunikation, Virtual Meeting.

• Utz, S., Huff, M., & Said, N. (2021). Afraid of getting COVID-19 or of losing your job? Differential effects of different fears on media consumption and COVID-19 conspiracy beliefs. Talk at the EASP Small Group Meeting Social Implications of Conspiracy Theories (EASP2021), Virtual Meeting.

• Said, N., Brich, I.,Buder, J.,& Huff, M. (2021). Metacognitive Insight into Artificial Intelligence Knowledge predicts AI Risk/Opportunity Perception. Poster at the Psychonomic Society 62nd Annual Meeting, Virtual & On-Site in New Orleans, Louisiana, USA.

• Fischer, H., Said, N., & Huff, M. (2021). Knowing what you know in the age of misinformation: Importance of metacognitive insight for beliefs and behavior regarding climate change and COVID-19. Talk at the 6th International Data for Policy conference (Data for Policy2021), Virtual Meeting.

• Said, N. (Panel Chair), Fischer, H., Anders, G. , Geers, M., Lorenz-Spreen, P. , Hertwig, R., Lewandowsky, S. & Herzog, S. (2021). Understanding the Cognitive Mechanisms Underlying Societal Polarization - The Role of Metacognition. Panel at the 2021 Annual Scientific Meeting of the International Society of Political Psychology (ISPP), Montreal.

• Said, N., Fischer, H., & Anders, G. (2021). Understanding the Underlying Mechanisms of Societal Polarization Over Contested Science - The Role of Metacognition. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2021), Ulm University.

• Said, N., Fieberg, D., Fischer H., Potschka, A., & Kirches C. (2019). Understanding Belief Polarization - An Agent-Based Modeling Approach. Talk at the European Mathematical Psychology Group (EMPG2019), Heidelberg University.

• Said, N., Fieberg, D., Fischer H., Potschka, A., & Kirches C. (2018). An agent-based modeling approach to information spread in filter bubbles. Talk at the European Mathematical Psychology Group (EMPG2018), University of Genova.

• Said, N., Fieberg, D., Fischer H., Lohse, J., & Kirches C. (2018). How does Working Memory Capacity influence Extraction Behavior in CPR Dilemmas? - An Agent-Based Modeling Approach. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2018), Marburg University.

• Fischer, H., Amelung D., & Said, N. (2017). The confidence-accuracy relationship in CC knowledge and understanding. Poster at 2017 SJDM Conference, Vancouver, Canada.

• Said, N., Fischer, H., Amelung D., & Kirches C. (2017). Using Agent-Based Modeling for Exploration of the Influence of Working Memory Capacity in CPR Dilemmas. Poster presented at MathPsych/ICCM 2017, University of Warwick.

• Fischer, H., Amelung, D., & Said, N. (2017). Climate Change and the problem with overconfidence: The difference between perceived and actual understanding. Talk at Cambridge Risk and Uncertainty Conference (RUC), University of Cambridge.

• Said, N. & Holt, D. V. (2016). An ACT-R Model of Age-Related Cognitive Decline in the Digit Span Task. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2016), Heidelberg University.

• Hundertmark, J., Fischer, H., Fischer, A., Said, N., & Holt, D. V. (2016). Cognitive ability and system structure as predictors of performance in dynamic system control tasks. Talk at the Tagung experimentell arbeitender Psychologen (TeaP2016), Heidelberg University.

• Said, N., Engelhart, M., Kirches, C., Körkel, S., & Holt, D. V. (2015). Mathematical Formalization and Optimization of an ACT-R Instance-Based Learning Model. Talk at the International Conference on Cognitive Modeling (ICCM2015), University of Groningen.

• Said, N., Engelhart, M., Kirches, C., Körkel, S., & Holt, D. V. (2014). Mathematical formalization, simplification and optimization of an ACT-R instance-based learning model. Talk at the European Mathematical Psychology Group Meeting (EMPG2014), University of Tübingen.

Invited Talks

• Said, N. (2024). The spread of misinformation on social media platforms - a (meta) cognitive perspective. Invited Talk at the Max Planck Institute for Human Development – Center for Adaptive Rationality (ARC Events), Berlin.

• Said, N. (2024). Understanding Belief Polarization – An Agent-Based Modeling Approach. Invited Talk at the University of Oxford (OxInteract/Social Psychology), Oxford.

• Said, N. (2023). Perceptions of Artificial Intelligence. Invited Talk at the Max Planck UCL Centre (Computational Psychiatry Talk), London.

• Said, N. (2022). Understanding Belief Polarization - An Agent-Based Modeling Approach. Invited Talk at the Max Planck Institute for Human Development – Center for Adaptive Rationality (ARC Events), Berlin.

• Said, N. (2022). (Social) Media, Metacognition, and Polarization. Invited Talk at AIA (Academy of International Affairs) Workshop 2022: Social media impact on international affairs, Bonn.

• Said, N. (2018). Der Einfluss von kognitiven Parametern auf das Extraktionsverhalten in Common Pool Resource Dilemmas - Ein explorativer agentenbasierter Modellierungsansatz. Invited Talk at 15. Modellierungstag Rhein-Neckar, Heidelberg University.

• Said, N. (2017). Application of Optimization Methods to ACT-R Models. Invited Talk at Heidelberg Laureate Forum@IWR & HGS MathComp, Heidelberg University.