{"@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":"Researchers 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":"In schools that required smartphones to be stored in locked pouches during classes, the rate at which teachers witnessed personal phone use during lessons dropped significantly 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","policy"],"summary":"The largest-scale study of school smartphone bans in US history, analyzing data from 4,600 schools, found that while smartphone use during classes decreased, there was no significant effect on test scores over a three-year period.","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":"source"},{"name":"University of Michigan","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:university-of-michigan","role_in_article":"source"},{"name":"University of Pennsylvania","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:university-of-pennsylvania","role_in_article":"source"},{"name":"Yode","type":"company","metadata":{"parent":null,"ticker":null},"canonical_id":"corp:us:yondr","role_in_article":"mentioned"},{"name":"National Bureau of Economic Research","type":"organization","metadata":{"parent":null,"ticker":null},"canonical_id":"org:us:national-bureau-of-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":"www.tech42.co.kr"},"article_id":"tech42_20260507_us-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%81%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}}