Viduni Ariyawansa

schoolUniversity of British Columbiabar_chart#7465 Global Rank

Total Papers

HCI Rank

#7465

Research Areas

Years Active

Recent Publications

LLM-based Embodied Conversational Agent for Reducing Foreign Language Speaking Anxiety in Social VR

Foreign language speaking anxiety (FLSA) poses a major challenge for English-language learners, suppressing confidence and triggering a cycle of avoidance that hinders language acquisition. To address this, we explored the use of LLM-based embodied conversational agents (ECA) in social virtual reality (VR), which prov…

CHI '264th AuthorSocial & Collaborative VR +2

Quantifying Latencies: A Conversation Analysis Approach to Human-Agent Interactions in Virtual Reality

Users feel frustrated when they do not know when to speak with LLM-based agents. Technical delays disrupt the natural rhythm of conversation (turn-taking), yet there is little understanding of how these specific delays impact the back-and-forth flow of interaction. To address this, we analyzed human-agent conversation…

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