devtake.dev — #doer-effectArticles tagged doer-effect on devtake.dev.https://devtake.dev/en-usA Dartmouth AI textbook is tied to final-exam gains of up to 1.30 standard deviationshttps://devtake.dev/article/ai-tutor-dartmouth-doer-effect/https://devtake.dev/article/ai-tutor-dartmouth-doer-effect/Phosphor, an interactive textbook that grades practice with Claude, was tied to a 0.71 to 1.30 SD final-exam gain in a Dartmouth statistics course.Mon, 06 Jul 2026 09:00:00 GMTaieducationedtechdoer-effecttextbooksllmclaudedieter-morelli