{"@type":"StructuredNewsArticle","access":{"license":"neupai_standard","structured_data":"free","full_text_access":null,"full_text_available":false,"attribution_required":true},"content":{"claims":[{"id":"c1","type":"fact","as_of":"2026-05","figures":null,"insight":null,"as_of_raw":"May 2026","statement":"Research teams from Stanford University, Duke University, University of Michigan, and University of Pennsylvania analyzed data from 4,600 schools","comparison":null,"expiry_hint":null,"source_type":"research_paper","as_of_explicit":false},{"id":"c2","type":"fact","as_of":"2026-05","figures":null,"insight":null,"as_of_raw":"May 2026","statement":"At schools where smartphones were stored in locking pouches during class, the rate at which teachers witnessed personal phone use during class decreased from 61% to 13%","comparison":"before_after","expiry_hint":null,"source_type":"research_paper","as_of_explicit":false},{"id":"c3","type":"fact","as_of":"2026-05","figures":null,"insight":null,"as_of_raw":"three years after implementation","statement":"The effect on test scores remained consistently close to zero for three years after implementation","comparison":"before_after","expiry_hint":null,"source_type":"research_paper","as_of_explicit":false},{"id":"c4","type":"fact","as_of":"2026-05","figures":null,"insight":null,"as_of_raw":"first year","statement":"In the first year of implementation, suspension rates increased by approximately 16%","comparison":"before_after","expiry_hint":null,"source_type":"research_paper","as_of_explicit":false}],"topics":["education","smartphone","research"],"summary":"The largest-scale US study on school smartphone bans found that while teachers' observations of students using phones during class decreased significantly, there was no effect on test scores. This is the result of an analysis of 4,600 schools by research teams from four universities.","entities":[{"name":"Stanford University","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:stanford-university","role_in_article":"primary_subject"},{"name":"Duke University","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:duke-university","role_in_article":"primary_subject"},{"name":"University of Michigan","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:university-of-michigan","role_in_article":"primary_subject"},{"name":"University of Pennsylvania","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:university-of-pennsylvania","role_in_article":"primary_subject"},{"name":"Yondr","type":"company","metadata":{"parent":null,"ticker":null},"canonical_id":"corp:us:yond","role_in_article":"mentioned"},{"name":"National Bureau of Economic Research","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:national-bureau-economic-research","role_in_article":"source"}],"headline":"Largest US study finds school smartphone bans had no effect on academic performance","geography":["US"],"ai_emotional_context":{"arousal":0,"valence":0,"primary_emotions":[],"emotional_triggers":[],"secondary_emotions":[]}},"@context":"https://neupai.io/schema/v0.2","identity":{"ai_url":null,"author":"앨리스","language":"en","publisher":{"name":"테크42","type":"online","domain":"tech42.co.kr"},"article_id":"tech42_20260507_school-smartphone-ban-study","updated_at":null,"originality":"self_produced","article_type":"straight_news","published_at":"2026-05-07T00:09:38.000Z","canonical_url":"https://www.tech42.co.kr/%e7%be%8e-%ec%b5%9c%eb%8c%80-%ec%97%b0%ea%b5%ac-%ea%b2%b0%ea%b3%bc%ed%95%99%ea%b5%90-%ec%8a%a4%eb%a7%88%ed%8a%b8%ed%8f%b0-%ea%b8%88%ec%a7%80-%ec%84%b1%ec%a0%81%ec%97%94-%ed%9a%a8%ea%b3%bc/?utm_source=rss&utm_medium=rss&utm_campaign=%25e7%25be%258e-%25ec%25b5%259c%25eb%258c%2580-%25ec%2597%25b0%25ea%25b5%25ac-%25ea%25b2%25b0%25ea%25b3%25bc%25ed%2595%2599%25ea%25b5%2590-%25ec%258a%25a4%25eb%25a7%2588%25ed%258a%25b8%25ed%258f%25b0-%25ea%25b8%2588%25ec%25a7%2580-%25ec%2584%25b1%25ec%25a0%2581%25ec%2597%2594-%25ed%259a%25a8%25ea%25b3%25bc"},"temporal":{"freshness":"recent","next_update_expected":null},"provenance":{"source_chain":["primary_reporting"],"related_articles":[],"original_source_url":null}}