Cited by 36Student Assessment and FeedbackArtificial Intelligence in EducationIntelligent Tutoring Systems and Adaptive Learning

Teacher, peer, or AI? Comparing effects of feedback sources in higher education

Open access
Weidlich, Joshua, Gotsch, Flurin, Schudel, Kai, Marusic-Würscher, Claudia, Mazzarella, Jennifer, Bolten, Hannah, Bütler, Dario, Luger, Simon +2 more·2025·Computers and Education Open

Abstract

With the emergence of Large Language Models (LLMs), AI-generated feedback is gaining traction as a scalable feedback source for higher education. To qualify as viable alternatives for higher education classrooms, its relative effectiveness compared to teacher feedback and peer feedback needs to be better understood. To this end, a randomized field experiment ( N = 90) compared the effects of three feedback sources—teacher, peer, and LLM—on students’ feedback perceptions and their achievement. To eliminate potential confounds, we (a) controlled for learning gains that may result from students giving feedback to their peers and (b) blinded feedback sources from feedback recipients. Results showed that students rated teacher feedback as less fair and harder to accept than peer and LLM feedback. Students receiving teacher feedback also indicated less willingness to revise their work based on the feedback. Conversely, teacher feedback produced the strongest improvements in scientific argumentation and formal quality of students’ work. Here, LLM feedback yielded the smallest improvement overall. Lastly, feedback literacy and intrinsic motivation partly moderated feedback effects on perceptions and achievement outcomes. For example, students with more productive attitudes toward feedback achieved higher argumentation quality after receiving teacher feedback than their peers. Findings indicate that the impact of feedback on both student perceptions and performance depends on the interplay between the feedback source and learner dispositions; deliberately aligning these factors could therefore amplify the benefits of feedback interventions. Future research should explore hybrid and adaptive feedback models that integrate human and AI input.

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Crossref · 10.1016/j.caeo.2025.100300

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Authors
Weidlich, J., Gotsch, F., Schudel, K., Marusic-Würscher, C., Mazzarella, J., Bolten, H., Bütler, D., Luger, S., Wohlfender, B., & Merki, K. M.
Affiliations
University of Zurich (CH)
Corresponding author
Weidlich, Joshua
Venue
Computers and Education Open
Publisher
Elsevier BV
Published
2025-12
Volume
9
Pages
100300
ISSN
2666-5573 (ISSN-L)
OpenAlex
W4415317129
Cited by
36
References
32
Citations by year
2026: 36
FWCI
111.39
Type
journal article
Language
en
Open access
Locations
  • Computers and Education Open (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by)
Topics
  • Social Sciences › Education › Student Assessment and Feedback
  • Physical Sciences › Computer Science › Information Systems › Artificial Intelligence in Education
  • Physical Sciences › Computer Science › Artificial Intelligence › Intelligent Tutoring Systems and Adaptive Learning
Keywords
feedback source, teacher feedback, peer feedback, AI-generated feedback, large language models, feedback perception, academic performance, feedback literacy, intrinsic motivation, scientific argumentation, higher education

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