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Undergraduate course, University 1, Department, 2014
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Anti-Phishing Warnings in Email Inboxes
Developed novel methods for displaying anti-phishing warnings in email inboxes and tested their effectiveness in a web-based experiment.
publications
Put Your Warning Where Your Link Is: Improving and Evaluating Email Phishing Warnings
Published in Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, 2019
We experimentally compared different types of email phishing warnings; some worked better than others.
Honorable Mention for Best Paper (Top 5%)
Petelka, J., Zou, Y., and Schaub, F. (2019). "Put Your Warning Where Your Link Is: Improving and Evaluating Email Phishing Warnings". In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems.. https://doi.org/10.1145/3290605.3300748
GestureCalc: An Eyes-Free Calculator for Touch Screens
Published in The 21st International ACM SIGACCESS Conference on Computers and Accessibility, 2019
We developed a calculator that used gestures as input; blind people used our calculator faster than a seek-based touch calculator.
Chaudhuri, B., Perlmutter, L., Petelka, J., Garrison, P., Fogarty, J., Wobbrock, J. O., & Ladner, R. E. (2019). "GestureCalc: An Eyes-Free Calculator for Touch Screens". In The 21st Interactional ACM SIGACCESS Conference on Computers and Accessibility. https://doi.org/10.1145/3308561.3353783
Being (In)visible: Privacy, Transparency, and Disclosure in the Self-management of Bipolar Disorder
Published in Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, 2020
We examined how people managing bipolar disorder experience privacy while discussing mental health management.
Petelka, J., Van Kleunen, L., Albright, L., Murnane, E., Voida, S., Snyder, J. (2020). "Being (In)Visible: Privacy, Transparency, and Disclosure in the Self-Management of Bipolar Disorder". In Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems. https://doi.org/10.1145/3313831.3376573
Someone Is Wrong on the Internet: Having Hard Conversations in Online Spaces.
Published in Proceedings of the ACM on Human-Computer Interaction (CSCW), 2021
We asked people how and why they argue on the Internet, and identified social media design features that help and hinder online arguments.
Baughan, A., Petelka, J., Yoo, C., Lo, J., Wang, S., Paramasivan, A., Zhou, A., Hiniker, A. (2021) "Someone Is Wrong on the Internet: Having Hard Conversations in Online Spaces". In Proceedings of the ACM on Human-Computer Interaction 5 (CSCW1). https://doi.org/10.1145/3449230
Principles Matter: Integrating an Ethics Intervention into a Computer Security Course
Published in Proceedings of the 53rd ACM Technical Symposium on Computer Science Education (SIGCSE), 2022
We deployed an ethics learning module in a computer security course; it went well, but one module in one course can only do so much.
Petelka, J., Finn, M., Roesner, F., Shilton, K. (2022) "Principles Matter: Integrating an Ethics Intervention into a Computer Security Course. In Proceedings of the 53rd ACM Technical Symposium on Computer Science Education Volume 1. https://doi.org/10.1145/3478431.3499275
Generating Practices: Investigations into the Double Embedding of GDPR and Data Access Policies
Published in Proceedings of the ACM on Human-Computer Interaction (CSCW), 2022
We asked people in the United Kingdom, India, and the United States to request copies of their personal data and found evidence of a Brussels Effect.
Petelka, J., Finn, M., Oreglia, O., Finn, M., Srinivasan, J. (2022) "Generating Practices: Investigations into the Double Embedding of GDPR and Data Access Policies. In Proceedings of the ACM on Human-Computer Interaction 6 (CSCW2). https://doi.org/10.1145/3555631
Writing Security: Teaching Security Ethics Through Policy Writing
Published in Online Ethics Center, 2023
We created a multi-phase curricular activity to help students write information security policies while thinking about ethics.
Petelka, J., Finn, M., Shilton, K. (2023) "Writing Security: Teaching Security Ethics Through Policy Writing. Published at the Online Ethics Center. https://onlineethics.org/cases/writing-security-teaching-security-ethics-through-policy-writing
On the Making of Alternative Data Encounters: The Odd Interpreters
Published in Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023
We developed three bespoke, imaginative IoT devices, and it was one of the most fun projects I have ever worked on.
Honorable Mention for Best Paper (Top 5%)
Desjardins, A., McWhirter, J., Petelka, J., Simon, C., Shin, Y., Peven, R., Widjaja, P. (2023) "On the Making of Alternative Data Encounters: The Odd Interpreters". In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems.. https://doi.org/10.1145/3544548.3581323
Restricting the Link: Effects of Focused Attention and Time Delay on Phishing Warning Effectiveness
Published in Under Review, 2025
We experimentally compared different ways to restrict suspicious hyperlinks in email phishing warnings; link restrictions work well but may frustrate users.
Petelka, J., Berens, B., Sugatan, C., Volkamer, M., Schaub, F. (Forthcoming). "Restricting the Link: Effects of Focused Attention and Time Delay on Phishing Warning Effectiveness".