Publications

Conference Experiential knowledge in multi-agent virtual health systems: The value of an expert patient agent

Tamboli, D. N. A., Canales, R., You, C., Reese, P., Potluri, V., & Lok, B.

Proceedings of the 26th ACM International Conference on Intelligent Virtual Agents, 2026

DOI BibTeX

@inproceedings{tamboli2026experiential,
  title = {Experiential knowledge in multi-agent virtual health systems: the value of an expert patient agent},
  author = {Tamboli, Danish N. A. and Canales, Ryan and You, Christopher and Reese, Peter and Potluri, Vishnu and Lok, Benjamin},
  booktitle = {Proceedings of the 26th ACM International Conference on Intelligent Virtual Agents},
  pages = {1--10},
  year = {2026},
  month = {9},
  doi = {10.1145/3806774.3827979},
}

Conference Build-A-Being Yourself: A web-based system for authoring embodied conversational agents in healthcare research

You, C., Ghosh, R., Maxim, A., Peng, X., Tamboli, D., Huang, Z., Venkatakrishnan, R., & Lok, B.

International Conference on Human-Computer Interaction, 2026

PDF DOI BibTeX

@inproceedings{you2025build,
  title = {{Build-A-Being Yourself}: A web-based system for authoring embodied conversational agents in healthcare research},
  author = {You, Christopher and Ghosh, Rashi and Maxim, Andrew and Peng, Xuening and Tamboli, Danish and Huang, Zhanhong and Venkatakrishnan, Roshan and Lok, Benjamin},
  booktitle = {International Conference on Human-Computer Interaction},
  pages = {427--446},
  publisher = {Springer Nature Switzerland},
  address = {Cham},
  year = {2026},
  month = {6},
  doi = {10.1007/978-3-032-29842-3_28},
}

Conference The impact of health literacy in a virtual agent intervention addressing barriers to cancer clinical trial participation

Ghosh, R., You, C., Venkatakrishnan, R., & Lok, B.

Proceedings of the 13th International Conference on Human-Agent Interaction, 2025

PDF DOI BibTeX

@inproceedings{ghosh2025impact,
  title = {The impact of health literacy in a virtual agent intervention addressing barriers to cancer clinical trial participation},
  author = {Ghosh, Rashi and You, Christopher and Venkatakrishnan, Roshan and Lok, Benjamin},
  booktitle = {Proceedings of the 13th International Conference on Human-Agent Interaction},
  pages = {76--86},
  year = {2025},
  month = {11},
  doi = {10.1145/3765766.3765769},
}

Mentored A feasibility study to assess virtual patients authenticity on building confidence in students' clinical decision-making

Huynh, L., Blue, A., You, C., Lok, B., Smith, G., Ghosh, R., & Venkatakrishnan, R.

UF Journal of Undergraduate Research, 27, 2025

DOI BibTeX

@article{huynh2025feasibility,
  title = {A feasibility study to assess virtual patients authenticity on building confidence in students' clinical decision-making},
  author = {Huynh, Leyna and Blue, Amy and You, Christopher and Lok, Benjamin and Smith, Gabriella and Ghosh, Rashi and Venkatakrishnan, Roshan},
  journal = {UF Journal of Undergraduate Research},
  volume = {27},
  year = {2025},
  month = {11},
  doi = {10.32473/ufjur.27.139095},
}

Mentored Evaluating lip synchronization techniques in LLM-based virtual humans for healthcare and computer science applications

Smith, G., Huynh, L., You, C., Ghosh, R., Venkatakrishnan, R., & Lok, B.

UF Journal of Undergraduate Research, 27, 2025

DOI BibTeX

@article{smith2025evaluating,
  title = {Evaluating lip synchronization techniques in {LLM}-based virtual humans for healthcare and computer science applications},
  author = {Smith, Gabriella and Huynh, Leyna and You, Christopher and Ghosh, Rashi and Venkatakrishnan, Roshan and Lok, Benjamin},
  journal = {UF Journal of Undergraduate Research},
  volume = {27},
  year = {2025},
  month = {11},
  doi = {10.32473/ufjur.27.139077},
}

Journal Alter egos alter engagement: Perspective-taking can improve disclosure quantity and depth to AI chatbots in promoting mental wellbeing

You, C., Ghosh, R., Vilaro, M., Venkatakrishnan, R., Venkatakrishnan, R., Maxim, A., …, Lok, B.

Frontiers in Digital Health, 7, 2025

PDF DOI BibTeX

@article{you2025alter,
  title = {Alter egos alter engagement: perspective-taking can improve disclosure quantity and depth to {AI} chatbots in promoting mental wellbeing},
  author = {You, Christopher and Ghosh, Rashi and Vilaro, Melissa and Venkatakrishnan, Roshan and Venkatakrishnan, Rohith and Maxim, Andrew and Peng, Xuening and Tamboli, Danish and Lok, Benjamin},
  journal = {Frontiers in Digital Health},
  volume = {7},
  pages = {1655860},
  publisher = {Frontiers},
  year = {2025},
  month = {9},
  doi = {10.3389/fdgth.2025.1655860},
}

Conference Exploring the influence of multiple virtual agents for addressing barriers to cancer clinical trial participation

Ghosh, R., You, C., Venkatakrishnan, R., & Lok, B.

Proceedings of the 25th ACM International Conference on Intelligent Virtual Agents, 2025

PDF DOI BibTeX

@inproceedings{ghosh2025exploring,
  title = {Exploring the influence of multiple virtual agents for addressing barriers to cancer clinical trial participation},
  author = {Ghosh, Rashi and You, Christopher and Venkatakrishnan, Roshan and Lok, Benjamin},
  booktitle = {Proceedings of the 25th ACM International Conference on Intelligent Virtual Agents},
  pages = {1--10},
  year = {2025},
  month = {9},
  doi = {10.1145/3717511.3747063},
}

Poster / abstract Representation matters: The feasibility and impact of photo-realistic and social identity-matched virtual community health educators among Black, Hispanic, and Rural Adults

Kauer, T., Franco, C., Munroe, D., Flood-Grady, E., Gaillard, T., George, T., …, You, C., …, Krieger, J.

Science of Community Outreach and Engagement Annual Conference, 2025

BibTeX

@inproceedings{kauer2025representation,
  title = {Representation matters: The feasibility and impact of photo-realistic and social identity-matched virtual community health educators among {Black}, {Hispanic}, and {Rural} {Adults}},
  author = {Kauer, T. and Franco, C. and Munroe, D. and Flood-Grady, E. and Gaillard, T. and George, T. and Lin, T. and Lok, B. and Tucker, C. and Vilaro, M. and Webb, F. and Wilke, D. and Wilson-Howard, D. and Ghosh, R. and You, Christopher and Serat, J. and Buhr, M. and Murphy, C. and van Mossel, A. and Wynter, S. and Carrasquillo, O. and Anton, S. and Krieger, J.},
  booktitle = {Science of Community Outreach and Engagement Annual Conference},
  pages = {1},
  year = {2025},
}

Poster / abstract A patient chatbot to support interprofessional learning

Huynh, L., You, C., Mazorra, G., Black, E., Lok, B., & Blue, A.

Collaborating Across Borders IX, 2025, Oral presentation

BibTeX

@inproceedings{huynh2025patient,
  title = {A patient chatbot to support interprofessional learning},
  author = {Huynh, Leyna and You, Christopher and Mazorra, Gustavo and Black, Erik and Lok, Benjamin and Blue, Amy},
  booktitle = {Collaborating Across Borders IX},
  pages = {1},
  year = {2025},
  note = {Oral presentation},
}

Poster / abstract Connecting communities: Developing a provider portal to enhance cancer trial diversity

Munroe, D., Kauer, T., Franco, C., Ghosh, R., You, C., Ford, H., Lok, B., & Krieger, J. L.

Science of Communication Outreach and Engagement Annual Conference, 2025

BibTeX

@inproceedings{munroe2025connecting,
  title = {Connecting communities: Developing a provider portal to enhance cancer trial diversity},
  author = {Munroe, D. and Kauer, T. and Franco, C. and Ghosh, R. and You, Christopher and Ford, H. and Lok, B. and Krieger, J. L},
  booktitle = {Science of Communication Outreach and Engagement Annual Conference},
  pages = {1},
  year = {2025},
}

Poster / abstract Connecting older adults to clinical trials: Developing the ALEX clinical trial referral portal

Kauer, T., Franco, C., Lok, B., Tucker, C., Lin, T., Flood-Grady, E., …, You, C., …, Krieger, J.

14th Annual Alliance Meeting for Healthy Aging Conference, 2025

BibTeX

@inproceedings{kauer2025connecting,
  title = {Connecting older adults to clinical trials: Developing the {ALEX} clinical trial referral portal},
  author = {Kauer, T. and Franco, C. and Lok, B. and Tucker, C. and Lin, T. and Flood-Grady, E. and Ghosh, R. and You, Christopher and Wilson-Howard, D. and Gaillard, T. and Anton, S. and Krieger, J.},
  booktitle = {14th Annual Alliance Meeting for Healthy Aging Conference},
  pages = {1},
  year = {2025},
}

Poster / abstract A strengths- and community-based approach to increasing medical research participation among Black, Hispanic, and White rural populations in Florida [Poster Presentation]

Kauer, T., Franco, C., Munroe, D., Flood-Grady, E., Gaillard, T., Lin, T., …, You, C., …, Krieger, J.

Mayo Clinic Transforming Community and Rural Healthcare 2025 Conference, Rochester, MN, 2025

BibTeX

@inproceedings{kauer2025strengths,
  title = {A strengths- and community-based approach to increasing medical research participation among {Black}, {Hispanic}, and {White} rural populations in {Florida} [{P}oster {P}resentation]},
  author = {Kauer, T. and Franco, C. and Munroe, D. and Flood-Grady, E. and Gaillard, T. and Lin, T. and Lok, B. and Tucker, C. and Wilson-Howard, D. and Ghosh, R. and You, Christopher and Serat, J. and Buhr, M. and Wynter, S. and Anton, S. and Krieger, J.},
  booktitle = {Mayo Clinic Transforming Community and Rural Healthcare 2025 Conference, Rochester, MN},
  pages = {1},
  year = {2025},
}

Journal A sense of urgency on the sense of agency: Challenges in evaluating agency and embodiment in virtual reality

You, C., Venkatakrishnan, R., Venkatakrishnan, R., Han, Z., Lok, B., & Peck, T.

IEEE Transactions on Visualization and Computer Graphics, 2024

PDF DOI BibTeX

@article{you2024sense,
  title = {A sense of urgency on the sense of agency: challenges in evaluating agency and embodiment in virtual reality},
  author = {You, Christopher and Venkatakrishnan, Roshan and Venkatakrishnan, Rohith and Han, Zhuoming and Lok, Benjamin and Peck, Tabitha},
  journal = {IEEE Transactions on Visualization and Computer Graphics},
  publisher = {IEEE},
  year = {2024},
  month = {9},
  doi = {10.1109/tvcg.2024.3456139},
}

Journal What my bias meant for my embodiment: An investigation on virtual embodiment in desktop-based virtual reality

You, C., Peck, T., Stuart, J., Gomes de Siqueira, A., & Lok, B.

Frontiers in Virtual Reality, 5, 2024

DOI BibTeX

@article{you2024my,
  title = {What my bias meant for my embodiment: an investigation on virtual embodiment in desktop-based virtual reality},
  author = {You, Christopher and Peck, Tabitha and Stuart, Jacob and Gomes de Siqueira, Alexandre and Lok, Benjamin},
  journal = {Frontiers in Virtual Reality},
  volume = {5},
  pages = {1251564},
  publisher = {Frontiers Media SA},
  year = {2024},
  month = {3},
  doi = {10.3389/frvir.2024.1251564},
}

Poster / abstract Real-time virtual human for promoting clinical trial education and recruitment

Ghosh, R., Maxim, A., You, C., & Lok, B.

2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW), 2024

DOI BibTeX

@inproceedings{ghosh2024real,
  title = {Real-time virtual human for promoting clinical trial education and recruitment},
  author = {Ghosh, Rashi and Maxim, Andrew and You, Christopher and Lok, Benjamin},
  booktitle = {2024 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)},
  pages = {1184--1185},
  organization = {IEEE},
  year = {2024},
  month = {3},
  doi = {10.1109/vrw62533.2024.00386},
}

Conference Strafing gain: Redirecting users one diagonal step at a time

You, C., Benda, B., Rosenberg, E. S., Ragan, E., Lok, B., & Thomas, J.

2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR), 2022

PDF DOI BibTeX

@inproceedings{you2022strafing,
  title = {Strafing gain: Redirecting users one diagonal step at a time},
  author = {You, Christopher and Benda, Brett and Rosenberg, Evan Suma and Ragan, Eric and Lok, Benjamin and Thomas, Jerald},
  booktitle = {2022 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)},
  pages = {603--611},
  organization = {IEEE},
  year = {2022},
  month = {10},
  doi = {10.1109/ismar55827.2022.00077},
}

Conference How does a virtual human earn your trust? Guidelines to improve willingness to self-disclose to intelligent virtual agents

You, C., Ghosh, R., Maxim, A., Stuart, J., Cooks, E., & Lok, B.

Proceedings of the 22nd ACM International Conference on Intelligent Virtual Agents, 2022

PDF DOI BibTeX

@inproceedings{you2022does,
  title = {How does a virtual human earn your trust? {G}uidelines to improve willingness to self-disclose to intelligent virtual agents},
  author = {You, Christopher and Ghosh, Rashi and Maxim, Andrew and Stuart, Jacob and Cooks, Eric and Lok, Benjamin},
  booktitle = {Proceedings of the 22nd ACM International Conference on Intelligent Virtual Agents},
  pages = {1--8},
  year = {2022},
  month = {9},
  doi = {10.1145/3514197.3549686},
}

Poster / abstract Romadoro: Leveraging nudge techniques to encourage break-taking

Jurczyk, K., You, C., Nourani, M., Gupta, M., Anthony, L., & Lok, B.

Adjunct Proceedings of the 34th Annual ACM Symposium on User Interface Software and Technology, 2021

DOI BibTeX

@inproceedings{jurczyk2021romadoro,
  title = {{Romadoro}: Leveraging nudge techniques to encourage break-taking},
  author = {Jurczyk, Katarina and You, Christopher and Nourani, Mahsan and Gupta, Manas and Anthony, Lisa and Lok, Benjamin},
  booktitle = {Adjunct Proceedings of the 34th Annual ACM Symposium on User Interface Software and Technology},
  pages = {66--69},
  year = {2021},
  month = {10},
  doi = {10.1145/3474349.3480231},
}

Poster / abstract Strafing gain: A novel redirected walking technique

You, C., Suma Rosenberg, E., & Thomas, J.

Symposium on Spatial User Interaction, 2019

DOI BibTeX

@inproceedings{you2019strafing,
  title = {Strafing gain: A novel redirected walking technique},
  author = {You, Christopher and Suma Rosenberg, Evan and Thomas, Jerald},
  booktitle = {Symposium on Spatial User Interaction},
  pages = {1--1},
  year = {2019},
  month = {10},
  doi = {10.1145/3357251.3358757},
}

Journal In review Social perspective-taking and human-AI collaboration can promote change talk and readiness in agent-delivered motivational interviews

You, C., Ghosh, R., Canales, R., Venkatakrishnan, R., Venkatakrishnan, R., Kauer, T., & Lok, B.

Computers in Human Behavior, Preprint available on SSRN

PDF DOI BibTeX PDF is the dissertation chapter; the DOI links to the SSRN preprint

@article{you2026human,
  title = {Social perspective-taking and human-{AI} collaboration can promote change talk and readiness in agent-delivered motivational interviews},
  author = {You, Christopher and Ghosh, Rashi and Canales, Ryan and Venkatakrishnan, Roshan and Venkatakrishnan, Rohith and Kauer, Trevor and Lok, Benjamin},
  journal = {Computers in Human Behavior},
  publisher = {Elsevier},
  doi = {10.2139/ssrn.7403173},
  note = {Preprint available on SSRN},
  pubstate = {inreview},
}

Journal In preparation Applying positive-unlabeled learning for fraudulent data detection in online clinical trial recruitment

You, C., Ghosh, R., Kauer, T., Franco, C., Canales, R., Krieger, J., & Lok, B.

Journal of the American Medical Informatics Association

BibTeX

@article{you2026bot,
  title = {Applying positive-unlabeled learning for fraudulent data detection in online clinical trial recruitment},
  author = {You, Christopher and Ghosh, Rashi and Kauer, Trevor and Franco, Courtney and Canales, Ryan and Krieger, Janice and Lok, Benjamin},
  journal = {Journal of the American Medical Informatics Association},
  publisher = {Oxford University Press},
  pubstate = {inpreparation},
}

Conference In submission Embodying support: Investigating multiple embodied virtual agents on engagement and behavioral outcomes in health information seeking

Ghosh, R., You, C., Canales, R., Venkatakrishnan, R., & Lok, B.

Proceedings of the 26th ACM International Conference on Intelligent Virtual Agents

BibTeX

@inproceedings{ghosh2026embodying,
  title = {Embodying support: Investigating multiple embodied virtual agents on engagement and behavioral outcomes in health information seeking},
  author = {Ghosh, Rashi and You, Christopher and Canales, Ryan and Venkatakrishnan, Roshan and Lok, Benjamin},
  booktitle = {Proceedings of the 26th ACM International Conference on Intelligent Virtual Agents},
  pages = {1--10},
  pubstate = {submitted},
}

Poster / abstract In review Information that sparks dialogue: Supporting clinical trial communication through an AI-enabled portal

Wang, F., Maxim, A. H., Franco, C., Ghosh, R., You, C., Kauer, T., …, Krieger, J. L.

American Psychosocial Oncology Society (APOS) 24th Annual Conference

BibTeX

@inproceedings{wang2027information,
  title = {Information that sparks dialogue: Supporting clinical trial communication through an {AI}-enabled portal},
  author = {Wang, F. and Maxim, A. H. and Franco, C. and Ghosh, R. and You, Christopher and Kauer, T. and Anton, S. and Flood-Grady, E. and Gaillard, T. and George, T. J. and Lok, B. and Tucker, C. and Vilaro, M. and Lin, T. and Webb, F. and Wilkie, D. and Wilson-Howard, D. and Carrasquillo, O. and Krieger, J. L.},
  booktitle = {American Psychosocial Oncology Society (APOS) 24th Annual Conference},
  pubstate = {inreview},
}

Poster / abstract In review Information that sparks dialogue: Supporting clinical trial communication through an AI-enabled portal

Wang, F., Maxim, A. H., Franco, C., Ghosh, R., You, C., Kauer, T., …, Krieger, J. L.

2026 Mayo Research Fellows' Association Florida Research Day

BibTeX

@inproceedings{wang2026information,
  title = {Information that sparks dialogue: Supporting clinical trial communication through an {AI}-enabled portal},
  author = {Wang, F. and Maxim, A. H. and Franco, C. and Ghosh, R. and You, Christopher and Kauer, T. and Anton, S. and Flood-Grady, E. and Gaillard, T. and George, T. J. and Lok, B. and Tucker, C. and Vilaro, M. and Lin, T. and Webb, F. and Wilkie, D. and Wilson-Howard, D. and Carrasquillo, O. and Krieger, J. L.},
  booktitle = {2026 Mayo Research Fellows' Association Florida Research Day},
  pubstate = {inreview},
}

Poster / abstract In submission Techquity through community-engaged AI design: A multisite formative evaluation of the ALEX portal for equitable cancer clinical trial access

Wang, F., Ghosh, R., You, C., Kauer, T., Maxim, A. H., Franco, C., …, Krieger, J. L.

2026 Community Health Outcomes Research and Discovery Science Conference

BibTeX

@inproceedings{wang2026techquity,
  title = {Techquity through community-engaged {AI} design: A multisite formative evaluation of the {ALEX} portal for equitable cancer clinical trial access},
  author = {Wang, F. and Ghosh, R. and You, Christopher and Kauer, T. and Maxim, A. H. and Franco, C. and Anton, S. and Flood-Grady, E. and Gaillard, T. and George, T. J. and Lok, B. and Tucker, C. and Vilaro, M. and Lin, T. and Webb, F. and Wilkie, D. and Wilson-Howard, D. and Carrasquillo, O. and Krieger, J. L.},
  booktitle = {2026 Community Health Outcomes Research and Discovery Science Conference},
  pages = {1},
  pubstate = {submitted},
}

Poster / abstract In submission Can artificial intelligence amplify community voice? Evidence from a multisite formative evaluation of the AI-powered ALEX portal to enhance equity in clinical trial access

Wang, F., Ghosh, R., You, C., Kauer, T., Maxim, A. H., Franco, C., …, Krieger, J. L.

19th AACR Conference on The Science of Cancer Health Disparities

BibTeX

@inproceedings{wang2026community,
  title = {Can artificial intelligence amplify community voice? {E}vidence from a multisite formative evaluation of the {AI}-powered {ALEX} portal to enhance equity in clinical trial access},
  author = {Wang, F. and Ghosh, R. and You, Christopher and Kauer, T. and Maxim, A. H. and Franco, C. and Anton, S. and Flood-Grady, E. and Gaillard, T. and George, T. J. and Lok, B. and Tucker, C. and Vilaro, M. and Lin, T. and Webb, F. and Wilkie, D. and Wilson-Howard, D. and Carrasquillo, O. and Krieger, J. L.},
  booktitle = {19th AACR Conference on The Science of Cancer Health Disparities},
  pages = {1},
  pubstate = {submitted},
}