GPT-4 as a Homework Tutor can Improve Student Engagement and Learning Outcomes

This paper presents a randomized controlled trial (RCT) evaluating GPT-4 as an interactive homework tutor for high-school ESL students, measuring its impact on learning outcomes (grammar gains) and student engagement compared to traditional homework. The study demonstrates significant improvements in learning outcomes and student satisfaction through Socratic-style interactive homework sessions.

This work contributes to the scarce empirical literature on LLM-based interactive homework in real-world educational settings and offers a practical, scalable solution for improving homework in schools. Homework is an important part of education in schools across the world, but in order to maximize benefit, it needs to be accompanied with feedback and followup questions. We developed a prompting strategy that enables GPT-4 to conduct interactive homework sessions for high-school students learnin

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