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The Impact of Banning Mobile Phones in Swedish Secondary Schools
Kessel et al. 2019 · natural experiment (no random assignment) · touches 2 claims
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Which beliefs it touches
- C6 Phones in lessons pushes against it
Swedish DiD: no improvement in pupil results after school phone bans; rejects effects of the size Beland & Murphy found.
- C36 Phone bans and lower achievers sets a limit on it
Sweden grade 9 DiD: no average improvement; no individual test scores, so prior achievement could not be tested. Lowest school-level SES quintile showed a test-score bump (+0.251, SE 0.101) that the authors treat as possibly chance, with no convincing event-study pattern.