03 · What You Need to Know
Why AI-Generated Peer Reviews Can Be Technically Correct but Scientifically Irrelevant
Relevance Is a Separate Requirement From Technical Correctness
A methodological statement may be correct in general while being irrelevant to a particular manuscript.
For example, randomized assignment can strengthen causal inference under appropriate conditions. But recommending randomization as a mandatory correction to a descriptive study may misunderstand what the researchers intended to establish.
Similarly, statistical power is important for many inferential analyses, but it is not automatically an appropriate criterion for evaluating an interpretive qualitative investigation.
Peer-review quality therefore depends on more than whether a criticism invokes a recognized methodological principle. The reviewer must establish why that principle applies to the study being assessed.
Why Generative AI May Produce Generic Criticisms
Generative AI systems can reproduce recurring patterns in scholarly writing, including familiar reviewer recommendations.
Requests for larger samples, additional analyses, stronger theoretical justification, and clearer limitations are common enough that they may appear in generated reports even when their relevance has not been established.
A model may also interpret a broad request such as "identify ten major weaknesses" as an instruction to produce a substantial number of criticisms, regardless of whether the manuscript contains ten defensible problems.
The resulting report can appear thorough because it is long and technically detailed.
However, the number of comments does not measure the quality of the assessment. A concise review identifying one consequential flaw may be more valuable than an extensive list of speculative concerns.
Common Forms of Irrelevant AI-Generated Criticism
Several patterns can make AI-generated comments inappropriate for the manuscript under review.
| Pattern |
Illustrative Criticism |
Why It May Be Irrelevant |
| Design mismatch |
"The study should use randomized assignment." |
The study may not intend to estimate causal effects. |
| Statistical overreach |
"The qualitative analysis requires a power calculation." |
The methodology may not involve statistical hypothesis testing. |
| Unnecessary generalizability demand |
"The sample must represent the entire national population." |
The study may seek contextual understanding rather than population estimation. |
| Inappropriate reliability requirement |
"Inter-rater agreement must be calculated." |
Agreement metrics may not align with the study's qualitative analytical approach. |
| Alternative-method preference |
"Structural equation modeling should replace regression." |
The existing analysis may adequately address the research question. |
| Unsupported omission claim |
"The authors did not address missing data." |
The manuscript may already describe an appropriate missing-data procedure. |
| Excessive revision demand |
"A longitudinal study is required." |
The requested design may answer a different question rather than correct the current study. |
These examples do not mean that the listed methodological concerns are always irrelevant. Their appropriateness depends on the study's aims, design, assumptions, and claims.
AI May Confuse a Study's Limitations With Methodological Failures
Every research design has limitations. The existence of a limitation does not automatically mean that the study was conducted incorrectly.
An observational study may not support strong causal claims. A single-institution qualitative study may not support statistical generalization to a national population. A cross-sectional design may not establish temporal ordering.
These limitations become more serious when authors make claims that exceed what their methods can support.
However, a manuscript that accurately acknowledges its design limitations should not necessarily be criticized for failing to provide evidence it never intended to produce.
AI-generated reviews may overlook this distinction and treat every limitation as a defect requiring a new study.
Methodological Alternatives Are Not Automatically Necessary Corrections
Generative AI may recommend a more complex analytical method simply because it is available or commonly associated with the research topic.
For example, a manuscript using multiple regression may receive a recommendation to use structural equation modeling. Another may be advised to adopt machine learning rather than a conventional statistical model.
These recommendations require justification.
The relevant question is whether the chosen method is appropriate for the study's estimand, variables, assumptions, and objectives.
Complexity does not establish superiority. A more elaborate model can introduce additional assumptions, estimation difficulties, or interpretive complications without improving the scientific answer.
Reviewers should not treat an AI-generated alternative as evidence that the existing procedure is defective.
Why Qualitative Research May Be Particularly Vulnerable to Misplaced Criticism
Qualitative research includes diverse methodological traditions with different assumptions about interpretation, researcher involvement, and evidence.
For example, Braun and Clarke's work on reflexive thematic analysis emphasizes the active interpretive role of the researcher. Within this approach, coding agreement is not necessarily treated as the central indicator of analytical quality.
An AI-generated recommendation demanding inter-rater reliability without considering the study's methodological orientation may therefore be inappropriate.
However, this does not mean qualitative studies are exempt from rigorous evaluation. Reviewers may legitimately examine analytical coherence, transparency, reflexivity, and the relationship between interpretations and supporting data.
The appropriate criteria must follow the methodological approach rather than an assumed universal checklist.
Irrelevant Criticisms Can Also Affect Quantitative Research
Quantitative manuscripts are not immune to generic AI-generated recommendations.
A model may insist on normality testing for every variable without recognizing that the relevant assumptions concern a particular statistical procedure.
It may demand a larger sample despite adequate precision for the stated objective, or recommend adjustment for variables that should not be controlled under the study's causal structure.
In causal inference, indiscriminate covariate adjustment can introduce bias in some circumstances, such as when conditioning on a collider.
Consequently, a recommendation to "control for more variables" is not automatically methodologically sound.
Reviewers should assess the rationale for each proposed change rather than assume that additional statistical procedures always improve rigor.
Can AI Invent a Problem That the Authors Already Addressed?
Yes. A generated review may claim that a manuscript omitted a procedure that is described elsewhere in the text or supplementary materials.
For example, the model might recommend reporting confidence intervals even though they appear in a results table. It might criticize missing-data handling despite an explanation in the methods section.
Such errors may arise from incomplete processing of the manuscript, failure to connect information across sections, or incorrect generation.
The reviewer should locate the relevant manuscript evidence before accepting any claim about an omission.
Where the procedure is reported but difficult to find, a request for clearer presentation may be appropriate. That differs from asserting that the procedure was never performed.
How Does AI Confidence Affect Reviewer Judgment?
Confident language can influence how readers evaluate information. A criticism expressed with technical precision and little uncertainty may appear more credible than a tentative statement, even when both lack supporting evidence.
This creates a risk of automation bias, in which reviewers give excessive weight to a system's recommendation.
The risk may be greater when the generated criticism concerns a method outside the reviewer's expertise.
Reviewers should not use the apparent confidence of an AI response as a proxy for its correctness.
The related question of whether reviewers should rely on criticisms they do not personally understand is therefore central to responsible AI-assisted review.
Why Irrelevant Comments Can Harm the Peer-Review Process
Unsupported criticisms are not merely inconvenient. They can influence how authors revise their manuscripts and how editors interpret research quality.
Authors may conduct unnecessary analyses, rewrite defensible methodological sections, or attempt to satisfy conflicting recommendations.
In some cases, an irrelevant criticism may create the impression that a manuscript has a serious flaw when the actual issue is a difference in methodological preference.
These consequences may be especially burdensome for early-career researchers or authors with limited access to specialized analytical resources.
A responsible review should minimize unnecessary demands while remaining appropriately critical of genuine weaknesses.
How Can Reviewers Test Whether an AI Comment Is Relevant?
Each proposed criticism should be examined against the manuscript's research question, methodological approach, actual procedures, and conclusions.
The reviewer should identify the specific evidence supporting the concern and explain how the alleged weakness affects the validity or interpretation of the findings.
A useful distinction is whether the comment identifies a demonstrated problem, requests clarification about an uncertain procedure, or merely proposes an alternative method.
Only the first category establishes a verified weakness. The second may justify a carefully worded question. The third requires a reason why the alternative is necessary rather than simply preferable.
Why Journal Authorization and Confidentiality Still Matter
Even when AI-generated criticisms are subsequently verified, the process used to obtain them must comply with the journal's policies.
Reviewers should not upload unpublished manuscripts or confidential excerpts to external AI systems without the required authorization and safeguards.
The International Committee of Medical Journal Editors recommends following the journal's AI policy or seeking permission before using AI during peer review.
Some publishers prohibit manuscript uploads to generative AI tools even when the intended purpose is methodological evaluation.
Thus, confidentiality requirements apply independently of whether an AI-generated criticism is useful.
Can AI Be Useful Without Generating Manuscript-Specific Criticisms?
Potentially, where the journal permits the intended assistance.
Reviewers may consult general methodological explanations, official reporting guidelines, or published research literature without disclosing confidential manuscript content.
For example, a reviewer may examine the assumptions of a statistical model or the quality criteria associated with a particular qualitative methodology.
These resources can support independent evaluation without delegating the manuscript-specific assessment to AI.
Reviewers should still verify AI-generated explanations against authoritative sources and avoid including distinctive unpublished details in prompts.