Welcome to my page! I am Nico, a psychological scientist who is excited about understanding human decision-making. I am intrigued by the question how the combination of scientific insights and artificial intelligence can help us make better decisions to make our lives easier.

As a scientist, I explore the fascinating world of group dynamics, consensus-building, and the spread of misinformation. My work combines traditional psychology research with cutting-edge tools like AI and online experiments.

Currently I am working on news reporting during the COVID pandemic and ask how we can develop tools to make the life of journalists easier. So I finally get to learn more about Machine Learning, Natural Language processing and the perks of Large Language models.

• Judgment and Decision-Making: I investigate how individuals make choices under risk and uncertainty -- and in the presence of others.
• Group Dynamics: Understanding how groups interact, form opinions, reach consensus, and influence individual behavior.
• Misinformation: Tracking the spread of false information online and developing strategies to combat it.

• Languages: R, Python, Java Script
• Tools: RMarkdown, Jupyter Notebook, Git, GitHub Actions, Google Colab, ChatGPT and Vertex AI
• Statistical analyses: (Bayesian) Hierachical models (aka multi-level mmodels), basic statistics, visualizations

Remember, science is all about collaboration! Feel free to explore my repositories, and reach out to me if you are intrigued. I LOVE to help out folks with statistics and modelling and figure out solutions together!

Gradwohl, N., Neth, H., Giese, H., & Gaissmaier, W. (2024). Explicit discrimination and ingroup favoritism, but no implicit biases in hypothetical triage decisions during COVID-19. Scientific Reports, 14 (1), 1213. https://doi.org/10.1038/s41598-023-50385-w

Gradwohl, N., Strandburg-Peshkin, A., & Giese, H. (2023). Humans strategically avoid connecting to others who agree and avert the emergence of network polarization in a coordination task. Scientific Reports, 13 (1), 11299. https://doi.org/10.1038/s41598-023-38353-w

Kunjar, S., Strandburg-Peshkin, A., Giese, H., Minasandra, P., Sarkar, S., Jolly, M. K., & Gradwohl, N. (2023). Link updating strategies influence consensus decisions as a function of the direction of communication. Royal Society Open Science, 10 (6), 230215. https://doi.org/10.1098/rsos.230215

Giese, H., Gaisbauer, F., Gradwohl, N., & Strandburg-Peshkin, A. (2023). The role of position in consensus dynamics of polarizable networks. Scientific Reports, 13 (1), 3972. https://doi.org/10.1038/s41598-023-30613-z

Neth, H., Gradwohl, N., Streeb, D., Keim, D. A., & Gaissmaier, W. (2021). Perspectives on the 2 × 2 matrix: Solving semantically distinct problems based on a shared structure of binary contingencies. Frontiers in Psychology , 11 , 4007. https://doi.org/10.3389/fpsyg.2020.567817