Instrument Like a Learning Scientist
The most valuable thing the Dartmouth team built wasn't the grader. It was the fact that they could answer "did completing this lesson's quiz correlate with doing better on the exam?" — per…
Posts tagged “learning-science”
The Biggest Effect Size Was the Boring Feature
The feature with the largest effect size in the Dartmouth pilot is the one no startup would put on a landing page. Not the AI grader. Not the chatbot. Cumulative module reviews: a big quiz…
The Grader Was Right and the Students Quit Anyway
The most dangerous failure in the Dartmouth Phosphor pilot wasn't a wrong grade. Students found the constructed-response grader "rigid and discouraging," complained loudly enough that the team…