activity
20222026
most citedInvestigating Affective Use and Emotional Well-being on ChatGPT

17 citations · 60 across the 22 of their papers we have counts for

collaborators

30 papers

cs.AI2026

AI Watchdog: Agent Interfaces for Detecting and Defending Against Manipulative Dark Patterns in AI Conversations

Rachel Poonsiriwong, Chayapatr, Archiwaranguprok +4

Conversational AI increasingly shapes consequential decisions, yet users have limited support for recognizing and resisting manipulation. We present AI Watchdog, a browser-based ag…

cs.LG2026

Dissociating the Internal Representations of Sycophancy in LLMs

Anthony Baez, Sheer Karny, Pat Pataranutaporn

Large Language Models (LLMs) frequently exhibit sycophancy, agreeing with a user's statement even when it is incorrect. While often studied as a single, uniform behavior, sycophanc…

cs.HC2026

Multi-Turn Neural Transparency: Surfacing Neural Activations Improves User Calibration to LLM Behavioral Drift

Sheer Karny, Anthony Baez, Pat Pataranutaporn

Chatbot behavior is often opaque to users, as responses can shift unpredictably across a conversation, drifting toward sycophancy, toxicity, or other unsafe responses. This can lea…

cs.HC2026

AI-Wrapped: Participatory, Privacy-Preserving Measurement of Longitudinal LLM Use In-the-Wild

Cathy Mengying Fang, Sheer Karny, Chayapatr Archiwaranguprok +3

Alignment research on large language models (LLMs) increasingly depends on understanding how these systems are used in everyday contexts. Yet naturalistic interaction data is diffi…

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.HC2026

"Death" of a Chatbot: Investigating and Designing Toward Psychologically Safe Endings for Human-AI Relationships

Rachel Poonsiriwong, Chayapatr Archiwaranguprok, Pat Pataranutaporn

Millions of users form emotional attachments to AI companions like Character AI, Replika, and ChatGPT. When these relationships end through model updates, safety interventions, or…