Dr. Nadia Said

Projects

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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. (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.