New AI tutor achieves 0.71-1.30 SD effect size in Dartmouth course [pdf]

Researchers presented findings on an artificial intelligence tutor tested in a Dartmouth course. The system produced measurable learning gains, with effect sizes ranging from point seven one to one point three zero standard deviations—indicating moderate to large improvements in student performance. The work demonstrates that AI tutoring systems can significantly enhance student learning when properly implemented in academic settings.

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