Home · Sources · Dou et al. 2026
Breaking the Early Bell: Lessons from the First Statewide Mandate on School Start Times
Dou et al. 2026 · quasi/DiD (working paper) · touches 1 claim · used in 1 attack · used in 1 correction to our notes
Read the study itself (doi.org) ↗
Which beliefs it touches
- C14 Later school start backs it up
California statewide later-start mandate (SB 328): more teenagers sleeping 8 hours or more; test scores up inside California (share meeting state standards +1.7–1.8 points where the shift was larger; October 2026 revision dropped the earlier cross-state grade-8 comparison) (working paper). Kill-condition test survived 2026-10-22; figures corrected 2026-11-12.
Attacks that used it
- C14 attack #4, 22 October 2026: survived
Corrections to our notes that used it
- C14, 12 November 2026: corrected