The Consequences of Cellphone Restrictions in Classrooms

Chile classroom-level teacher restrictions (working paper): null on standardised scores (rule out ~0.03–0.06 SD); modest grade-8 recreational-use drop; small capability drop. C6 weakened 2026-10-09 (classroom-restriction bound).

Chile classroom-level teacher restrictions (preprint): test scores near zero; no systematic differential effects by prior achievement, gender or socioeconomic background. The prior-achievement split (above vs below median) is shown only in a figure, without printed estimates. Full text checked 2026-11-13.