Dad | Professor of applied sciences @AcademicaUoAS | Dubliner | PhD @KingsCollegeLon | Keats devotee | persecuted by an integer https://www.carlhendrick.com/https://bsky.app/profile/carlhendrick.substack.comhttps://bsky.app/profile/carlhendrick.substack.com/post/3ml2ki3wuck2l Do test scores improve after phone bans? Not really. - High schools gain a little. Middle schools lose a little. The average is close to zero. www.nber.org/papers/w3513204 May 2026 20:52 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3ml2ki3wuck2lhttps://bsky.app/profile/carlhendrick.substack.com/post/3mkwmoaxtvk2l"Research should illuminate thought, not close it down." @markmccourt.bsky.social https://www.emaths.co.uk/blog/general-education/item/now-suddenly-nuance-matters03 May 2026 07:21 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkwmoaxtvk2lhttps://bsky.app/profile/carlhendrick.substack.com/post/3mkqqah3gnk2lThe problem with banning social media is that it's social. New post ⤵️ https://carlhendrick.substack.com/p/the-problem-with-banning-social-media30 Apr 2026 23:09 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkqqah3gnk2lhttps://bsky.app/profile/carlhendrick.substack.com/post/3mkqqituqtk2lThe Evidence Base on AI in K-12: A 2026 Review https://scale.stanford.edu/sites/default/files/The%20Evidence%20Base%20on%20AI%20in%20K-12%20Report.pdf30 Apr 2026 23:13 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkqqituqtk2lhttps://bsky.app/profile/carlhendrick.substack.com/post/3mkqqah3gnk2lThe problem with banning social media is that it's social. New post ⤵️ https://carlhendrick.substack.com/p/the-problem-with-banning-social-media30 Apr 2026 23:09 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkqqah3gnk2lhttps://bsky.app/profile/carlhendrick.substack.com/post/3mkf4kl6bes23Latest post on retrieval practice ⤵️ [contains quote post or other embedded content]26 Apr 2026 08:17 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkf4kl6bes23https://bsky.app/profile/carlhendrick.substack.com/post/3mkaygmgf2s26Rethinking Retrieval Practice: Remembering Is Not Knowing https://carlhendrick.substack.com/p/rethinking-retrieval-practice-remembering24 Apr 2026 16:53 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mkaygmgf2s26https://bsky.app/profile/carlhendrick.substack.com/post/3mj7vx3grt22jClassic Arsenal11 Apr 2026 13:10 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mj7vx3grt22jhttps://bsky.app/profile/carlhendrick.substack.com/post/3mj7ouikdo22jWhat's new in learning science? Monthly roundup: Retrieval practice under scrutiny, feedback's missing mechanism, AI that actually teaches, and the quiet erosion of cognitive effort. https://carlhendrick.substack.com/p/the-monthly-dispatch-whats-new-in-c6e11 Apr 2026 11:04 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mj7ouikdo22jhttps://bsky.app/profile/carlhendrick.substack.com/post/3mivraypt3k2jI have written a free guide on responsive teaching for UNESCO available here: t.co/puvgOyGgi307 Apr 2026 12:20 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mivraypt3k2jhttps://bsky.app/profile/carlhendrick.substack.com/post/3mi3hc3jucs2gWe tend to think of reading as a visual act. But a growing body of research suggests that by the time a child encounters a word in print for the first time, their mind has already been preparing for that encounter. ⤵️ https://carlhendrick.substack.com/p/orthographic-skeletons-can-children28 Mar 2026 01:12 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mi3hc3jucs2ghttps://bsky.app/profile/carlhendrick.substack.com/post/3mhnxlm6ajk2hResearching early teaching machines and fascinated by this 1937 device by Joseph James Ray. Like some weird Steampunk nightmare! It basically tested whether children could generalise from picture pairs: green light for correct, red for incorrect. Pure operant conditioning.22 Mar 2026 16:26 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mhnxlm6ajk2hhttps://bsky.app/profile/carlhendrick.substack.com/post/3mhna4flmpk2hLearning at the Edge of Understanding: Correct answers are a lagging indicator of learning, not the mechanism. New post ⤵️ https://carlhendrick.substack.com/p/learning-at-the-edge-of-understanding22 Mar 2026 09:26 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mhna4flmpk2hhttps://bsky.app/profile/carlhendrick.substack.com/post/3mhe2thqi5k22Delighted to receive a copy of this today. Great to see the Spanish edition of How Learning Happens out in the world. @paulkirschner.bsky.social18 Mar 2026 17:58 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mhe2thqi5k22https://bsky.app/profile/carlhendrick.substack.com/post/3mhbspopto22fSouthern states boost early reading, but gains stall in middle school. Why the ‘Mississippi miracle’ disappears by eighth grade. https://hechingerreport.org/proof-points-8th-grade-reading/17 Mar 2026 20:27 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mhbspopto22fhttps://bsky.app/profile/carlhendrick.substack.com/post/3mhakbxciqc2fIf the job of teaching is dependent on people sacrificing their own mental health and wellbeing to do the job then this is simply not sustainable.17 Mar 2026 08:24 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mhakbxciqc2fhttps://bsky.app/profile/carlhendrick.substack.com/post/3mh3fkknlrk2fThe great irony of AI: The more we outsource thinking to machines, the more cognitive responsibility falls on the human; constant vigilance, judging outputs, spotting errors, intervening when automation fails. Lisanne Bainbridge called this the "ironies of automation". New post: ⤵️ [contains quote post or other embedded content]15 Mar 2026 07:16 +0000at://did:plc:zh6dgcsyx2uvqsqjckerjdco/app.bsky.feed.post/3mh3fkknlrk2f