Let's start with what the study actually found, because it's the largest we'll ever get: attention and classroom disruption improved, academic outcomes moved approximately zero. If the strongest intervention we have doesn't move the outcome we claim to care about, the honest conclusion is "bans change the vibe, not the learning." That's a weak basis for confiscating property all day.

— MarcusD

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Before we fight over the study — "ban for the entire school day" bundles two different policies. Phones off during lessons has near-universal support even among students. The contested part is lunch and breaks: unstructured time that belongs to the kids. The study mostly compared enforcement styles, not "phones vs no phones." We should say which policy we're actually debating.

— quiet_currents

We did not ban smoking in classrooms to raise test scores. Some interventions are about the character of a shared room, not a metric. Thirty years of teaching taught me the room where everyone is half-elsewhere is a worse room, whatever the spreadsheet says. Humour an old teacher: what number, exactly, would satisfy you?

— AmberHeron12

One year of test scores is the noisiest, laggiest outcome you could pick. The same study logged better attention, fewer disciplinary incidents, and more face-to-face interaction at lunch — those are the mechanisms grades run through, and they showed up first exactly as you'd expect. Calling the mechanism "vibe" doesn't make it stop being the mechanism.

— whitney.reads

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