Tiffany Wenting Li

schoolUniversity of Illinoisbar_chart#2231 Global Rank

Total Papers

HCI Rank

#2231

Research Areas

Years Active

Recent Publications

Supporting Learners' Use of Imperfect Generative Pedagogical Chatbots: The Role of Chatbot Response Uncertainty and Reduced Verbosity

Generative chatbots promise to scale personalized learning. Most publicly available generative chatbots are designed to provide confident and eloquent responses by default, even when hallucinating. Prior work has observed that learners using such chatbots often engage shallowly and fail to detect chatbot errors due to…

CHI '255th+ AuthorInteractive Data Visualization +1

Organize, Then Vote: Exploring Cognitive Load in Quadratic Survey Interfaces

Quadratic Surveys (QSs) elicit more accurate preferences than traditional methods like Likert-scale surveys. However, the cognitive load associated with QSs has hindered their adoption in digital surveys for collective decision-making. We introduce a two-phase "organize-then-vote'' QS to reduce cognitive load. As inte…

CHI '232nd AuthorConversational Chatbots +2

Inform the uninformed: Improving Online Informed Consent Reading with an AI-Powered Chatbot

Informed consent is a core cornerstone of ethics in human subject research. Through the informed consent process, participants learn about the study procedure, benefits, risks, and more to make an informed decision. However, recent studies showed that current practices might lead to uninformed decisions and expose par…

CSCW '212nd AuthorMethods and Design Approaches

"I can show what I really like.": Eliciting Preferences via Quadratic Voting

Surveys are a common instrument to gauge self-reported opinions from the crowd for scholars in the CSCW community, the social sciences, and many other research areas. Researchers often use surveys to prioritize a subset of given options when there are resource constraints. Over the past century, researchers have devel…

CHI '212nd AuthorExplainable AI (XAI) +2

Attitudes Surrounding an Imperfect AI Autograder

Deployment of AI assessment tools in education is widespread, but work on students' interactions and attitudes towards imperfect autograders is comparatively lacking. This paper presents students' perceptions surrounding a \url{~}90\% accurate automated short-answer grader that determined homework and exam credit in…

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