Publications 2024 EmoWear: Exploring Emotional Teasers for Voice Message Interaction on Smartwatches Pengcheng An, Jiawen Stefanie Zhu, Zibo Zhang, Yifei Yin, Qingyuan Ma, Che Yan, Linghao Du, and Jian Zhao Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (In Press), 2024 HTML PDF Work-in-Progress and Others 2024 Facilitating Mixed-Methods Analysis with Computational Notebooks Jiawen Stefanie Zhu*, Zibo Zhang*, and Jian Zhao 1st ACM CHI Workshop on Human-Notebook Interactions, 2024 * indicates equal contribution HTML PDF 2023 CoLadder: Supporting Programmers with Hierarchical Code Generation in Multi-Level Abstraction Ryan Yen, Jiawen Zhu, Sangho Suh, Haijun Xia, and Jian Zhao arXiv Preprint, Oct 2023 HTML PDF