用AI分析学生开放作答，帮老师实时掌握科学探究学习进展
LearnLens: An AI-Enhanced Dashboard to Support Teachers in Open-Ended Classrooms
- 通过生成式AI解析学生开放回答，自动生成响应样例与摘要
- 提供词云、柱状图等可视化工具，展现学生思维模式分布
- 基于教师反馈设计，适合中学科学课问题式教学场景
探究式学习环境（如基于仿真的平台和开放式的科学课程）虽能促进动手探索与问题解决，但使教师难以及时获取学生概念理解的洞察。本文提出LearnLens，一个面向教师的生成式AI增强型仪表板，用于支持中学科学的问题导向教学。该系统处理学生在数字测评中的开放作答，生成包括样例回答、词云、柱状图及AI摘要在内的多种洞察，揭示学生思维过程，帮助教师依据理解趋势调整教学。仪表板的设计基于教师在专业发展研讨中的输入，并集成于中学地球科学课程中。教师访谈显示其易用性强，具备指导课堂教学的潜力。
原文摘要 · Abstract (English)
Exploratory learning environments (ELEs), such as simulation-based platforms and open-ended science curricula, promote hands-on exploration and problem-solving but make it difficult for teachers to gain timely insights into students' conceptual understanding. This paper presents LearnLens, a generative AI (GenAI)-enhanced teacher-facing dashboard designed to support problem-based instruction in middle school science. LearnLens processes students' open-ended responses from digital assessments to provide various insights, including sample responses, word clouds, bar charts, and AI-generated summaries. These features elucidate students' thinking, enabling teachers to adjust their instruction based on emerging patterns of understanding. The dashboard was informed by teacher input during professional development sessions and implemented within a middle school Earth science curriculum. We report insights from teacher interviews that highlight the dashboard's usability and potential to guide teachers' instruction in the classroom.
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