Claims

Instructional support improves quality of feedback provision (g = 0.64) and quality of feedback reception (g = 0.49) but not subject-matter-related knowledge

Claim · All claims
Evidence · 1 study (3 entries) · quant-synthesis r2 · q4 · i2 medium
Currency · newest study 2025 · 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.

q4 i2 Instructional support has a medium-sized positive effect on the quality of feedback provision (g = 0.64). → Hornstein 2025 q4 i2 Instructional support has a positive effect on the quality of feedback reception (g = 0.49). → Hornstein 2025 (2) q4 i? Instructional support shows no significant effect on subject-matter-related knowledge (g = 0.25, p = 0.05). → Hornstein 2025 (3)

Evidence

Hornstein 2025

Hornstein, J., Keller, M. V., Greisel, M., Dresel, M., & Kollar, I. (2025). Enhancing the Peer-Feedback Process Through Instructional Support: A Meta-Analysis. Educational Psychology Review. https://doi.org/10.1007/s10648-025-10017-3

q4 · i2 · quant-synthesis · r2

Meta-analysis of 18 studies (k = 92 effect sizes) on quality of feedback provision: g = 0.64, 95% CI [0.30, 0.98], p < 0.01 (Table 2).

"Results revealed a positive, medium-sized effect for peer-feedback with instructional support vs. without instructional support on the quality of feedback provision and a small positive effect on the quality of feedback reception"

Hornstein 2025 (2)

Hornstein, J., Keller, M. V., Greisel, M., Dresel, M., & Kollar, I. (2025). Enhancing the Peer-Feedback Process Through Instructional Support: A Meta-Analysis. Educational Psychology Review. https://doi.org/10.1007/s10648-025-10017-3

q4 · i2 · quant-synthesis · r?

Meta-analysis of 18 studies (k = 40 effect sizes) on quality of feedback reception: g = 0.49, 95% CI [0.05, 0.92], p < 0.05 (Table 2).

"Results revealed a positive, medium-sized effect for peer-feedback with instructional support vs. without instructional support on the quality of feedback provision and a small positive effect on the quality of feedback reception"

Hornstein 2025 (3)

Hornstein, J., Keller, M. V., Greisel, M., Dresel, M., & Kollar, I. (2025). Enhancing the Peer-Feedback Process Through Instructional Support: A Meta-Analysis. Educational Psychology Review. https://doi.org/10.1007/s10648-025-10017-3

q4 · i? · quant-synthesis · r?

Meta-analysis of 17 studies (k = 60 effect sizes) on subject-matter-related knowledge: g = 0.25, 95% CI [-0.00, 0.51], p = 0.05 — not significant. Effects across dependent variables did not differ significantly (F(2,187) = 1.83, p = 0.23).

"For subject-matter-related knowledge, we found no significant effect (see Table 2). We also tested whether the effects regarding the different dependent variables were significantly different from each other. This was not the case (F(2,187) = 1.83, p = 0.23)."

Discussion

Page metadata
Field Value
type claim
id support-effects-differ-by-dependent-variable
title Instructional support improves quality of feedback provision (g = 0.64) and quality of feedback reception (g = 0.49) but not subject-matter-related knowledge
description Instructional support improves quality of feedback provision (g = 0.64) and quality of feedback reception (g = 0.49) but not subject-matter-related knowledge
status review
evidence_strength moderate
newest_evidence 2025
generated by process:wiki-ingest on 2026-10-19
trust unverified — no one has confirmed this page's content
sources 3 — hornstein-2025, hornstein-2025-2, hornstein-2025-3

Frontmatter is the page's machine-readable record — see the Schema & Guide.