Feedback source does not significantly affect revised essay quality once initial draft quality is controlled¶
Claim · All claims
Evidence · 1 study (2 entries) · causalr2·q3·i1–i3
Currency · newest study 2026 · not yet checked against its sources · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i1 An ANCOVA controlling for initial draft quality found no significant effect of feedback condition on revised essay quality. → Farrokhnia 2026
q3 i3 Initial essay quality was a significant strong covariate of revised essay quality in the same ANCOVA. → Farrokhnia 2026 (2)
Evidence¶
Farrokhnia 2026¶
Farrokhnia, M., Latifi, S., Papadopoulos, P. M., Hogenkamp, L., Gijlers, H., Khosravi, H., & Noroozi, O. (2026). Generative AI offers more, but students revise less: comparing the effects of teacher and AI feedback on student essay revisions. International Journal of Educational Technology in Higher Education. https://doi.org/10.1186/s41239-026-00579-9
q3 · i1 · causal · r2
One-way ANCOVA comparing revised essay quality across teacher, Zero-shot, and CoT conditions controlling for initial drafts found no significant condition effect (F(2, 64) = 1.19, p = .30, ηp2 = .03); equivalence was not tested.
"After adjusting for initial draft quality, there was no significant effect of feedback condition on revised essay quality, F(2, 64) = 1.19, p = .30, ηp2 = .03, suggesting that the type of feedback did not significantly influence revision outcomes."
Farrokhnia 2026 (2)¶
Farrokhnia, M., Latifi, S., Papadopoulos, P. M., Hogenkamp, L., Gijlers, H., Khosravi, H., & Noroozi, O. (2026). Generative AI offers more, but students revise less: comparing the effects of teacher and AI feedback on student essay revisions. International Journal of Educational Technology in Higher Education. https://doi.org/10.1186/s41239-026-00579-9
q3 · i3 · causal · r2
In the same ANCOVA, initial essay quality was a significant covariate, F(1, 64) = 34.25, p < .001, ηp2 = .35, showing a "strong and significant relationship between students’ baseline writing ability and their revised performance".
"However, initial essay quality was a significant covariate, F(1, 64) = 34.25, p < .001, ηp2 = .35, indicating a strong and significant relationship between students’ baseline writing ability and their revised performance."
Discussion¶
Related Claims¶
- Process Writing Improves Writing Quality — the general claim this finding bears on, with the studies behind it
- Students' argumentative essay quality improves substantially from initial to revised drafts regardless of feedback source — related
- In one study, feedback quality significantly predicts revised essay quality under teacher feedback but not under either GenAI feedback condition, though the conditions are not compared directly — related
- GenAI feedback quality correlates with initial essay quality while teacher feedback quality does not — related
- Revising the feedback prompt toward essay-grounded guidance was associated with more specific feedback in an observational before–after comparison — related
- Students' initial knowledge level (midterm scores) did not significantly influence improvement in lab scores, indicating it did not confound the feedback-source difference — related
- Zero-shot GenAI feedback quality is statistically comparable to teacher feedback quality — related
- Expressed helpfulness of AI feedback showed no association with next essay reflection depth — related
- Dwell time on the essay correlates positively with the quality of revised essays as assessed by professors — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
feedback-source-no-effect-on-revision-outcomes |
title |
Feedback source does not significantly affect revised essay quality once initial draft quality is controlled |
description |
Feedback source does not significantly affect revised essay quality once initial draft quality is controlled |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2026 |
generated |
by process:wiki-ingest on 2026-10-10 |
trust |
unverified — no one has confirmed this page's content |
sources |
2 — farrokhnia-2026, farrokhnia-2026-2 |
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