Home · Sources · Campuzano et al. 2009
Effectiveness of Reading and Mathematics Software Products: Findings From Two Student Cohorts (NCEE 2009-4041)
Campuzano et al. 2009 · randomised trial · touches 1 claim · used in 1 attack
Read the study itself (files.eric.ed.gov) ↗
Which beliefs it touches
- C10 Tutoring software in school use backs it up
Federal randomised study (teachers randomised within schools): Cognitive Tutor Algebra I as the core course gave no gain over two years on the ETS algebra test (about -0.08 SD, ns) and none in teachers' second year (about -0.12 SD, ns); pooled algebra products +0.15 SD in teachers' second year. C10 kill-condition test survived 2026-10-13.
Attacks that used it
- C10 attack #4, 13 October 2026: survived