Zhendong Su

schoolETH Zurichbar_chart#7366 Global Rank

Total Papers

HCI Rank

#7366

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Years Active

Recent Publications

The Elephant in the Syntax: A Comparative Study of Semantics‑First, Block‑Based, and Textual Programming

Syntax remains a major barrier for novices. Although block-based systems reduce or eliminate syntax errors, conditionals still challenge learners, likely because their semantics remain implicit. In this paper, we address this problem by introducing a semantics-first, state-visible programming approach inspired by the…

CHI '26CorrespondingHuman-LLM Collaboration +2

Computer Science Achievement and Writing Skills Predict Vibe Coding Proficiency

Many software development platforms now support LLM-driven programming, or “vibe coding”, a technique that allows one to specify programs in natural language and iterate from observed behavior, all without directly editing source code. While its adoption is accelerating, little is known about which skills best predic…

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