Commenting with Copilot: A Taxonomy and Multi-Year Analysis of Student Code-Generation Specifications

• URL: http://arxiv.org/abs/2607.10674v1
• Date: Sun, 12 Jul 2026 09:38:55 GMT
• Title: Commenting with Copilot: A Taxonomy and Multi-Year Analysis of Student Code-Generation Specifications
• Abstract summary: We analyze a four-year dataset of undergraduate programming submissions and reflections from tasks in which students wrote comments.<n>We introduce a taxonomy spanning three dimensions: comment type, code expression level, and code construct.<n>Our findings show that students mostly wrote natural-language What comments, shifted toward How comments for more procedural constructs, and focused more on verifying generated code than on repeatedly rewriting comments.
• Score: 3.812390871524452
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As AI code tools become integrated into programming environments, students increasingly describe intended behavior in natural language and rely on these tools to generate code, shifting emphasis from code writing to specification. Yet little is known about the comments students write as specifications in AI-assisted programming tasks. We analyze a four-year dataset of undergraduate programming submissions and reflections from tasks in which students wrote comments to guide code generation and refined solutions using test-case feedback. We introduce a taxonomy spanning three dimensions: comment type, code expression level, and code construct. Using automated classification, we examine how these dimensions vary across attempts and how students describe the process in their reflections. Our findings show that students mostly wrote natural-language What comments, shifted toward How comments for more procedural constructs, and focused more on verifying generated code than on repeatedly rewriting comments.

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