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A Meta-analysis of the Effects of Verbal Feedback by Teachers on Academic Performance and Moderating Effects
Abe & Usami 2024 · review pooling many studies (meta-analysis) · touches 1 claim · used in 1 attack
Read the study itself (doi.org) ↗
Which beliefs it touches
- C4 Task feedback vs praise backs it up
Meta-analysis of 9 studies (32 effects) restricted to post-tests given some time after the feedback: teachers' written comments beat a numeric grade, g = 0.42 (0.17 to 0.66); praise-type comments did .53 worse than task-level comments; advantage smaller for older learners (-.07 per year of age). Kill-condition test, C4 survived 2026-11-14. Full text read.
Attacks that used it
- C4 attack #3, 14 November 2026: survived