Cooney, O., Leonard, S. J., Peña, P. R., Jaimy, H., & Cowan, B. R. (in press). Exploring Perceptions of Robo-advisors for Personal Investing

Proceedings of the 8th ACM Conference on Conversational User Interfaces 

[pdf] 

Peña, P. R., & Cowan, B. R. (2026). Help Me and I’ll Help You: Speakers’ and Listeners’ Collaborative Effort and the Division of Labour in Human-Agent Collaborative Communication

Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems (CHI ’26).

[pdf] [preprint] [open materials]

Peña, P. R., & Cowan, B. R. (2025). Collaboration under uncertainty: Perspective asymmetry and reference production of homophone objects in human-agent collaborative communication.

Proceedings of the 25th ACM International Conference on Intelligent Virtual Agents.

[pdf] [preprint] [open materials]

*equal contribution.

Abulimiti, A., *, Peña, P. R., *, Alizadeh, F., Ahire, S., ...& Cowan, B. R. (2025). DEBP-PVA: Designing and Evaluating Behavioral Paradigms With Proactive Virtual Agents

Proceedings of the 25th ACM International Conference on Intelligent Virtual Agents.

[pdf]

Jacka, R., Peña, P. R., Leonard, S. J., Szekély, É. & Cowan, B. R. (2025, July). Impact Of

Disfluent Speech Agent On Partner Models And Perspective Taking. 

Proceedings of the 7th ACM Conference on Conversational User Interfaces. 

[pdf] [preprint]

Spillner, L., Rockstroh, J., Peña, P. R., Wenig, N., Zargham, N. & Cowan, B. R. (2025, July). Beyond the Illusion: LLMs and the Case for Pragmatic Cues in Conversation. 

Proceedings of the 7th ACM Conference on Conversational User Interfaces 

[pdf]

Lämsä, J., Edwards, J., Haataja, E., Sobocinski, M., Peña, P., Nguyen, A. & Järvelä, S. (2024). Learners’ Linguistic Alignment and Physiological Synchrony: Identifying Trigger Events that Invite Socially Shared Regulation of Learning. 

Journal of Learning Analytics, 1-18. 

[pdf]

Peña, P. R., Doyle, P., Edwards, J., Garaialde, D., Rough, D., Bleakley, A., ... & Cowan, B. R. (2023). Audience design and egocentrism in reference production during human-computer dialogue. 

International Journal of Human-Computer Studies, 176, 103058.

[pdf] [open materials]

Peña, P. R., Doyle, P. R., Garaialde, D., Wu, Y., McDonnell, R., & Cowan, B. R. (2023, July). Human Speakers Help Machine Listeners To account For Visual Asymmetries in Dialogue. 

Proceedings of the 5th International Conference on Conversational User Interfaces

[pdf] [preprint] [open materials]

Peña, P. R., Doyle, P. R., Ip, E. Y., Di Liberto, G., Higgins, D., McDonnell, R., ... & Cowan, B. R. (2023, April). A special interest group on developing  theories of language use in interaction with conversational user interfaces. 

Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems. 

[pdf]

Cihan, H., Wu, Y., Peña, P., Edwards, J., & Cowan, B. (2022, July). Bilingual by default: Voice Assistants and the role of code-switching in creating a bilingual user experience.

Proceedings of the 4th Interntaional Conference of Conversational User Interfaces 

[pdf]

*equal contribution.

Huggett, E*., Peña, P*., Sulik, J., & Spike, M. (2020). The effects of interaction on establishing common ground in communication. 

The evolution of language: Proceedings of the 13th international conference. 

[pdf]