Home · Sources · Thacher & Onyper 2016
Longitudinal Outcomes of Start Time Delay on Sleep, Behavior, and Achievement in High School
Thacher & Onyper 2016 · pre/post (one school, cohort comparisons) · touches 1 claim · used in 1 attack · used in 2 corrections to our notes
Read the study itself (doi.org) ↗
Which beliefs it touches
- C14 Later school start sets a limit on it
One NY high school, 45-min later start: about 20 min more self-reported sleep at first, back to baseline a year later; absences rose about 5 days/year in the within-student analysis; course failures spiked in the transition year (6.04%); grades did not change in cohort-sequential analyses; Regents scores showed no consistent gain. C14 weakened 2026-10-17 (consistency bound).
Attacks that used it
- C14 attack #2, 17 October 2026: narrowed
Corrections to our notes that used it
- C14, 17 October 2026: corrected
- C14, 6 November 2026: corrected