آموزش های تماس تلفنی یادگیری را به صورت مقرون به صرفه در مواقع اضطراری آموزشی بهبود می بخشد

Phone-call tutorials improve learning cost-effectively during education emergencies

Nature, Published online: 09 September 2026; doi:10.1038/d41586-026-02700-4 Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, weekly 20-minute mobile-phone-call tutorials produced large learning gains for primary-school children during school closures caused by the COVID-19 pandemic. Governments can keep children learning through societal shocks using this approach, which combines…