Hi, I'm Yoon Jeong :)

Nice to meet you! ✨🍀

I'm a 4th-year PhD candidate at the University of Michigan, School of Information, co-advised by Professors Sun Young Park and Mark Newman. I aspire to understand the challenges of children with chronic illnesses while managing their health with their caregivers and clinicians. Based on the insights, I plan to design and evaluate systems to promote better collaboration among the children and their parents. I am currently interested in how to support such collaboration through interactions with intelligent systems.

I am a recipient of the Kwanjeong Educational Foundation Scholarship and was selected for Korean Government Scholarship for Overseas Studies. Prior to joining UMich, I received my master's degree from KAIST (Korea Advanced Institute of Science and Technology) and my bachelor's degree from Yonsei University, South Korea.

My research interests are focused on Human-Computer Interaction (HCI), Personal Health Informatics, and Collaborative Health Tracking Technologies. Specific methodologies and tools that I used throughout the research were:

UX Research: Interviewing, Probe Study, Usability Testings, Thematic Analysis
Data Science: Statistical Analysis, Data Mining, and Visualization using R and Python
Programming: Python, R, Java (Android), C# (Unity, HoloLens, Arduino), SQL

I love brewing a cup of tea or coffee, walking/running outside, finding cute animals, traveling, and meeting inspiring people! ✨ If you are interested in chatting or working with me, please feel free to email me!

News

[Jan'25] Our systematic review paper on collaborative health technology for children and parents has been accepted to CHI'25! I hope I can travel with my family this time! 😊
[Jan'25] I'm teaching a SI661 Management in Health Informatics course this semester! I am excited to learn by working with two awesome instructors, Ejike and Noha! 🤩
[Jan'24] My paper on the probe study for collaborative health tracking has been accepted to CHI'24! 🥳
[Apr'23] Presented my paper at CHI'23 and also at the WISH workshop during the conference. Hamburg was so pretty! 🇩🇪
[Jan'23] My paper has been accepted to CHI'23! Thank you so much to those who made this possible. 🥳
[Jan'23] Working as a GSI for two courses in data science program: SIADS 601: Qualitative Inquiry for Data Scientists and SIADS 503 Data Science Ethics 😎
[Sep'22] I'm doing a GSI (Graduate Student Instructor) for SI 422 Undergraduate Research Course this fall 🍁 I'm enjoying it!
[May'22] My paper has been presented at CHI'22! 🥳 Excited to share my first paper during my PhD journey.

Selected Work

Collaborative Data Tracking for Children with Type 1 Diabetes using Tracking Probes

CHI'24 [doi] [paper] [slide] [talk]

Identifying Risk Management Strategies for Children with Type 1 Diabetes (T1D)

CHI'23 [doi] [paper] [slide] [talk]

Supporting Collaborative Self-Management of Children with Type 1 Diabetes (T1D)

CHI'22 [doi] [paper] [slide] [talk]

Conversational Agents in Multi-Device Collaboration Context

CHI'19 LBW [doi] [paper] [poster]

Sticker Misinterpretations in Instant Messaging

CSCW'18 [doi] [paper] [slide]

Augmented Collaboration in Shared Space Design through AR

UIST'18 Adjunct [doi] [paper] [poster] [slide]

Publications

Yoon Jeong Cha, Jiongyu Chen, Yasemin Gunal, Qiying Zhu, Mark W. Newman, and Sun Young Park. 2025. Collaborative Health-Tracking Technologies for Children and Parents: A Review of Current Studies and Directions for Future Research. In CHI Conference on Human Factors in Computing Systems (CHI ’25), April 26-May 1, 2025, Yokohama, Japan. ACM, New York, NY, USA, 13 pages. https://doi.org/10.1145/3706598.3713596 [pdf]
Yoon Jeong Cha, Yasemin Gunal, Alice Wou, Joyce Lee, Mark W. Newman, and Sun Young Park. 2024. Shared Responsibility in Collaborative Tracking for Children with Type 1 Diabetes and their Parents. In Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI ’24), May 11–16, 2024, Honolulu, HI, USA. ACM, New York, NY, USA, 20 pages. https://doi.org/10.1145/3613904.3642344 [pdf]
Yoon Jeong Cha, Alice Wou, Arpita Saxena, Joyce Lee, Mark W Newman, and Sun Young Park. 2023. It’s Like an Educated Guessing Game: Parents’ Strategies for Collaborative Diabetes Management with Their Children. In Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems (CHI '23). Association for Computing Machinery, New York, NY, USA, Article 471, 1–15. https://doi.org/10.1145/3544548.3581522 [pdf]
Yoon Jeong Cha, Arpita Saxena, Alice Wou, Joyce Lee, Mark W Newman, and Sun Young Park. 2022. Transitioning Toward Independence: Enhancing Collaborative Self-Management of Children with Type 1 Diabetes. In Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems (CHI '22). Association for Computing Machinery, New York, NY, USA, Article 522, 1–17. https://doi.org/10.1145/3491102.3502055 [pdf] 🌱First Paper during PhD
Yoonjeong Cha, Jincheul Jang, Younghyun Hong, and Mun Yong Yi. 2019. "Jack-of-All-Trades": A Thematic Analysis of Conversational Agents in Multi-Device Collaboration Contexts. In Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems (CHI EA '19). Association for Computing Machinery, New York, NY, USA, Paper LBW0271, 1–6. https://doi.org/10.1145/3290607.3313045 [pdf] 🌱From a Research Project during MS
Yoonjeong Cha, Jongwon Kim, Sangkeun Park, Mun Yong Yi, and Uichin Lee. 2018. Complex and Ambiguous: Understanding Sticker Misinterpretations in Instant Messaging. Proc. ACM Hum.-Comput. Interact. 2, CSCW, Article 30 (November 2018), 22 pages. https://doi.org/10.1145/3274299 [pdf] 🌱From the HCI course (taught by Uichin Lee, mentor: Sangkeun Park) during MS
Yoonjeong Cha, Sungu Nam, Mun Yong Yi, Jaeseung Jeong, and Woontack Woo. 2018. Augmented Collaboration in Shared Space Design with Shared Attention and Manipulation. In The 31st Annual ACM Symposium on User Interface Software and Technology Adjunct Proceedings (UIST '18 Adjunct). Association for Computing Machinery, New York, NY, USA, 13–15. https://doi.org/10.1145/3266037.3266086 [pdf] 🌱From the Augmented Reality course (taught by Woontack Woo) during MS
Younghyun Hong, Yoon Jeong Cha, Jincheul Jang, and Mun Yong Yi. (2018). Smart Home System Interaction Scenario Guideline where Devices and Services Collaborate. Proceedings of HCI Korea, 560-565. [pdf (Korean)] 🌱From a Project during MS
Yoon Jeong Cha, Jee Hye Lee, Jee Eun Choi, and Hee Woong Kim. (2015). A Topic Modeling Approach to Marketing Strategies for Smartphone Companies. Journal of Knowledge Management Research, 16(4), 69-87. [pdf (Korean)] ✨ Best Paper Award 🌱Undergraduate Research Project

Other Projects

Topic Modeling Twitter Data for Smartphone Marketing Strategies (Best Paper Award) with Jeehye Lee 😎

Big Data Competition using Telecommunication Data (SK Telecom, 3rd prize) with Jane Im 🥰

LINE Messenger Global Strategy in Australia (Yonsei Univ. uGET Competition, 1st prize) with 3 others 🥳

Silicon Valley IT Companies (Yonsei Univ. Global Research Competition, 1st prize) with Jooyeon Lee 🤩

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