That study: n≈54, a preprint, lab conditions, one task type. It might be right! But we're talking about rewriting how every classroom in the country works off an effect measured in a room with electrode caps. Always ask for the base rate — and there isn't one yet. Which is an argument for research, not for policy.

— MarcusD

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One preprint, sure — sitting on top of thirty years of desirable-difficulty research all pointing the same direction: remove the struggle, lose the retention. The new study isn't the foundation. It's the latest brick.

— whitney.reads

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