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AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science
Univ Ottawa, Canada; Inst Replicat, Canada.
Univ Ottawa, Canada; Inst Replicat, Canada.
Univ Cambridge, England.
Univ Ottawa, Canada; Inst Replicat, Canada.
Vise andre og tillknytning
2026 (engelsk)Inngår i: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 123, nr 22, artikkel-id e2524747123Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Large Language Models (LLMs) such as ChatGPT are transforming how scientists conduct and validate research, offering promise as tools to improve scientific reproducibility. However, computational reproducibility and error detection remain expensive and labor-intensive. We experimentally test how collaboration between researchers and LLM assistants influences the reproduction of quantitative social science findings across different levels of AI autonomy. We randomly assigned 288 researchers to 103 teams working under three conditions: human-only, AI-assisted (using ChatGPT as a collaborative tool), or AI-led (ChatGPT operating with minimal human oversight). Teams reproduced published results from leading social science journals, detected coding errors, and proposed robustness checks. Human-only and AI-assisted teams achieved comparable reproduction rates (94% vs. 91%) and performed similarly on most outcomes, except human-only teams identified significantly more major coding errors. Both substantially outperformed AI-led teams, which achieved only a 37% reproduction rate, detected fewer errors across all categories, proposed weaker robustness checks, and required more time. This autonomous approach, however, likely represents only a lower bound of AI capabilities. Despite rapid model advances, expert human judgment currently remains indispensable for reliable empirical verification. While AI assistance did not degrade most outcomes, it provided no measurable advantages and was associated with reduced detection of major errors. However, the 37% autonomous reproduction rate indicates that AI could provide value in settings where scale or cost constraints preclude human review of papers, even though general-purpose LLMs offer no immediate advantages for human-supervised verification.
sted, utgiver, år, opplag, sider
NATL ACAD SCIENCES , 2026. Vol. 123, nr 22, artikkel-id e2524747123
Emneord [en]
AI; reproducibility; large language models
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-226926DOI: 10.1073/pnas.2524747123ISI: 001821087300001Scopus ID: 2-s2.0-105040657951OAI: oai:DiVA.org:liu-226926DiVA, id: diva2:2094598
Merknad

Funding Agencies|Coefficient Giving project "Benchmarking LLM agents on real-world tasks: Reproducibility"; Alfred P. Sloan Foundation Foundation [G-2023-22326]; University of Toronto; University of Ottawa; University of Cornell; University of Tilburg; Leverhulme Early Career Research Fellowship [ECF-2022-761]; Australian Research Council [DP200102935]; Ministero dell'Universita e della Ricerca

Tilgjengelig fra: 2026-08-24 Laget: 2026-08-24 Sist oppdatert: 2026-10-04

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