AI & Technology2,031 following
Will AI make education more personalized or more standardized?
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Raised by Lian Chen2 Jun 20263 sources
Research paper
The 2 Sigma Problem: The Search for Group Instruction as Effective as One-to-One Tutoring
Benjamin S. Bloom · 1984 · Educational Researcher
Reports that tutored students outperformed conventionally taught peers by roughly two standard deviations, framing the challenge of scaling tutoring.
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“The average tutored student was above 98% of the students in the control class.”
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Added to the library 12 Jan 2026.