collaborators

9 papers

cs.CL2026

Do Large Language Models Encode Institutional Experience? Evidence from Cross-Linguistic Moral Reasoning Under Ambiguity

Nattavudh Powdthavee

Large language models (LLMs) exhibit systematic differences in moral reasoning across languages, yet the source of this variation remains unclear. We test the hypothesis that langu…

cs.AI2026

Large Language Models Outperform Humans in Fraud Detection and Resistance to Motivated Investor Pressure

Nattavudh Powdthavee

Large language models trained on human feedback may suppress fraud warnings when investors arrive already persuaded of a fraudulent opportunity. We tested this in a preregistered e…

econ.GN2026

How Much do People Care about Climate Natural Disasters?

Aatishya Mohanty, Nattavudh Powdthavee, Cheng Keat Tang +1

Scientists agree about the urgency of the problem of climate change. Most citizens, however, pay little attention to gradually increasing temperature levels. Growing numbers of nat…

cs.CY2026

AI-Generated Letters from the Future: A Randomized Test of Personalized Climate Communication

Nattavudh Powdthavee, Pat Pataranutaporn, Sandra J. Geiger +2

We examined whether personalized, AI-generated letters from the future can increase public engagement with climate action. In a preregistered online experiment with 1,654 U.S. pare…

cs.CY2026

Large language models accurately predict public perceptions of support for climate action worldwide

Nattavudh Powdthavee, Sandra J. Geiger

Although most people support climate action, widespread underestimation of others' support stalls individual and systemic changes. In this preregistered experiment, we test whether…

cs.HC2025

Simulating Life Paths with Digital Twins: AI-Generated Future Selves Influence Decision-Making and Expand Human Choice

Rachel Poonsiriwong, Chayapatr Archiwaranguprok, Constanze Albrecht +6

Major life transitions demand high-stakes decisions, yet people often struggle to imagine how their future selves will live with the consequences. To support this limited capacity…