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AI Tutor Improves Student Exam Scores
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University of Wisconsin–La Crosse economists ran a randomized study in spring 2025 using Macro Buddy, a ChatGPT-based tutor with web access disabled, for 140 undergraduate macroeconomics students across four sections. They found students using Macro Buddy plus peer discussion earned the highest exam scores by the third test, while Macro Buddy alone also outperformed the control, suggesting guided AI prompts support learning.
Scoring Rationale
Experiment provides actionable evidence for guided-AI tutoring, limited by single-site undergraduate sample and short timeframe.
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