WHY ENGLISH?
Make every critical-appraisal judgement traceable from the source evidence to the final review conclusion
A systematic review may look rigorous because it contains a traffic-light figure or a table of quality labels. English matters because readers still need to know which question was judged, which tool and version were used, what evidence supported each judgement, how reviewers handled disagreement and how the result changed the synthesis.
The Systematic Engine is a diagnostic reporting-guideline project for critical appraisal in evidence synthesis. EQUATOR registered it on 1 April 2026. Its stated aim is to improve reporting of how appraisal is performed, integrated and used rather than treating a checklist score as the end of the reasoning.
The registered model has four functions: deconstruction and profiling, stratification and weighting, certainty calibration, and interpretive guarding. As checked on 6 November 2026, the reporting guideline remained under development. PRISMA 2020, RoB 2 and other current tools keep their own jobs and should not be replaced by invented final Systematic Engine items.
Article contents
Open all chapters
- 1. Define the Appraisal Question
- 2. Match Study Design to an Appropriate Tool
- 3. Report Tool Name, Version and Variant
- 4. Pre-Specify How Appraisal Will Be Used
- 5. Train and Calibrate Reviewers
- 6. State Reviewer Number and Independence
- 7. Preserve Supporting Evidence and Rationale
- 8. Resolve Disagreement Transparently
- 9. Build Domain-Level Bias Profiles
- 10. Stratify Evidence Without Double Counting
- 11. Connect Appraisal to Sensitivity Analyses
- 12. Calibrate Certainty at the Evidence-Body Level
- 13. Guard Interpretation Against the Strongest Limitation
- 14. Report Automation or AI Assistance
- 15. Disclose Missing Information and Author Contact
- 16. Conclude With an Appraisal Decision Trail
ORIENTATION
What this guide owns
Current fact check
The EQUATOR record identifies opaque rationales, unclear links between domain-level assessments and downstream decisions, and weak reporting of calibration and disagreement as current gaps. PRISMA 2020 has 27 main items; the current RoB 2 version for individually randomised parallel-group trials is dated 22 August 2019.
Canonical boundary
This article owns reporting of the critical-appraisal process inside evidence synthesis under The Systematic Engine concept. PRISMA owns general systematic-review reporting, tool developers own the content of their instruments, and GRADE or another appropriate framework owns certainty judgements when used.
Worked example
Every chapter returns to a fictional systematic review of school-based sleep-education programmes, with mixed randomised and non-randomised studies. It is fictional, low-stakes and educational; it does not report a real school, clinical decision or guaranteed outcome.
Did You Know? For The Systematic Engine, complete reporting makes appraisal possible but does not perform the appraisal, remove bias or guarantee transfer.
Warm up with eduKate’s guides to explaining scientific evidence and asking better questions in class.
CHAPTER 1 OF 16
1. Define the Appraisal Question
Why this move matters
State which result, study feature, effect or evidence body is being judged and for what review decision.
Did You Know? Risk-of-bias judgements are often result-specific rather than permanent study labels.
Open the judgement, not only the label
State which result, study feature, effect or evidence body is being judged and for what review decision. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: The team appraises the effect of assignment to a sleep programme on attendance, not every outcome in each paper. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
A narrow appraisal may not transfer to another result. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Define the Appraisal Question”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 2 OF 16
2. Match Study Design to an Appropriate Tool
Why this move matters
Name the design and justify the selected instrument instead of forcing unlike studies into one checklist.
Did You Know? Tool choice is part of the review method, not a formatting preference.
Open the judgement, not only the label
Name the design and justify the selected instrument instead of forcing unlike studies into one checklist. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: RoB 2 is used for eligible randomised results and a suitable non-randomised tool for the observational evidence. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
A recognised tool can still be misapplied. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Match Study Design to an Appropriate Tool”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 3 OF 16
3. Report Tool Name, Version and Variant
Why this move matters
Give the exact version, date, variant, effect of interest and any approved adaptations or translations.
Did You Know? Different variants can ask different causal questions.
Open the judgement, not only the label
Give the exact version, date, variant, effect of interest and any approved adaptations or translations. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: The report identifies the 2019 RoB 2 version and the effect of assignment to intervention. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
A current webpage may later change, so archived materials matter. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Report Tool Name, Version and Variant”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 4 OF 16
4. Pre-Specify How Appraisal Will Be Used
Why this move matters
Explain before seeing results whether judgements affect eligibility, synthesis grouping, sensitivity analysis, certainty or interpretation.
Did You Know? Appraisal matters most when its downstream role is explicit.
Open the judgement, not only the label
Explain before seeing results whether judgements affect eligibility, synthesis grouping, sensitivity analysis, certainty or interpretation. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: High-risk results remain visible but are excluded in a prespecified sensitivity analysis. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Plans may require justified amendments. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Pre-Specify How Appraisal Will Be Used”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 5 OF 16
5. Train and Calibrate Reviewers
Why this move matters
Report guidance, examples, pilot records, calibration threshold and what changed after discussion.
Did You Know? Calibration makes shared reasoning more reproducible than silent familiarity.
Open the judgement, not only the label
Report guidance, examples, pilot records, calibration threshold and what changed after discussion. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Two reviewers pilot five studies and revise their interpretation notes before full appraisal. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Agreement after training does not prove validity. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Train and Calibrate Reviewers”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 6 OF 16
6. State Reviewer Number and Independence
Why this move matters
Identify who judged each record, whether work was independent and who adjudicated unresolved differences.
Did You Know? A single final label hides the path by which it was reached.
Open the judgement, not only the label
Identify who judged each record, whether work was independent and who adjudicated unresolved differences. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Two reviewers complete judgements separately before comparing answers. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Nominal independence can be weakened by shared drafts or hierarchy. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “State Reviewer Number and Independence”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 7 OF 16
7. Preserve Supporting Evidence and Rationale
Why this move matters
Link every judgement to page, table, protocol, registry or author response and explain how that evidence answers the tool.
Did You Know? A rationale is the bridge between a signalling answer and a domain judgement.
Open the judgement, not only the label
Link every judgement to page, table, protocol, registry or author response and explain how that evidence answers the tool. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: A missing-outcome judgement cites the registry outcome and the report section where it disappears. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Absence of reporting is not always proof of absence in conduct. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Preserve Supporting Evidence and Rationale”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 8 OF 16
8. Resolve Disagreement Transparently
Why this move matters
Report whether disagreement concerned facts, tool interpretation, effect definition or judgement threshold and how it was resolved.
Did You Know? The pattern of disagreement can reveal where guidance is unclear.
Open the judgement, not only the label
Report whether disagreement concerned facts, tool interpretation, effect definition or judgement threshold and how it was resolved. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: One reviewer reads baseline imbalance as chance; the other links it to a randomisation concern, and the adjudicator records the reasoning. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Consensus can conceal a power imbalance. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Resolve Disagreement Transparently”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 9 OF 16
9. Build Domain-Level Bias Profiles
Why this move matters
Present domains and overall judgement without collapsing informative patterns into one numerical quality score.
Did You Know? The Systematic Engine calls this deconstruction and profiling.
Open the judgement, not only the label
Present domains and overall judgement without collapsing informative patterns into one numerical quality score. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Selection and missing-data concerns remain visible even when both studies receive an overall high-risk label. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Profiles can still overwhelm readers without explanation. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Build Domain-Level Bias Profiles”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 10 OF 16
10. Stratify Evidence Without Double Counting
Why this move matters
Explain grouping, exclusion, weighting or modelling decisions and avoid mechanically treating ordinal labels as numeric weights.
Did You Know? The registered model separates profiling from stratification and weighting.
Open the judgement, not only the label
Explain grouping, exclusion, weighting or modelling decisions and avoid mechanically treating ordinal labels as numeric weights. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Primary synthesis includes all eligible studies; sensitivity analysis removes a prespecified high-risk subset. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Sensitivity analyses may reduce precision and change the question. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Stratify Evidence Without Double Counting”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 11 OF 16
11. Connect Appraisal to Sensitivity Analyses
Why this move matters
State the exact rule, analysis, result and interpretation rather than saying findings were robust without evidence.
Did You Know? Robustness is a reported comparison, not a reassuring adjective.
Open the judgement, not only the label
State the exact rule, analysis, result and interpretation rather than saying findings were robust without evidence. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: The pooled estimate changes materially when studies with missing-data concerns are removed, and both results are shown. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Stability across one analysis does not eliminate other biases. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Connect Appraisal to Sensitivity Analyses”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 12 OF 16
12. Calibrate Certainty at the Evidence-Body Level
Why this move matters
Describe how appraisal patterns inform certainty alongside inconsistency, indirectness, imprecision and other relevant domains.
Did You Know? The third Systematic Engine function is certainty calibration.
Open the judgement, not only the label
Describe how appraisal patterns inform certainty alongside inconsistency, indirectness, imprecision and other relevant domains. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Risk-of-bias concerns contribute to a transparent certainty judgement for attendance outcomes. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
A study-level label is not the same as certainty in a body of evidence. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Calibrate Certainty at the Evidence-Body Level”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 13 OF 16
13. Guard Interpretation Against the Strongest Limitation
Why this move matters
Match verbs and confidence to the least secure decisive link and distinguish association, estimate and causal inference.
Did You Know? Interpretive guarding is the model’s final function.
Open the judgement, not only the label
Match verbs and confidence to the least secure decisive link and distinguish association, estimate and causal inference. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: The conclusion says programmes may improve attendance under studied conditions rather than prove universal benefit. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Cautious wording cannot repair a wrongly framed review. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Guard Interpretation Against the Strongest Limitation”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 14 OF 16
14. Report Automation or AI Assistance
Why this move matters
Name tool, version, inputs, outputs, validation sample, human checks, errors and whether automation influenced judgements.
Did You Know? Automation changes the appraisal process even when it does not make the final decision.
Open the judgement, not only the label
Name tool, version, inputs, outputs, validation sample, human checks, errors and whether automation influenced judgements. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: An AI assistant highlights passages, but reviewers make and document every final judgement. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Human review can still anchor on automated suggestions. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Report Automation or AI Assistance”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 15 OF 16
15. Disclose Missing Information and Author Contact
Why this move matters
Report questions sent, dates, replies, non-response and how unavailable information affected judgements.
Did You Know? Unknown is an informative state when it is not disguised as low risk.
Open the judgement, not only the label
Report questions sent, dates, replies, non-response and how unavailable information affected judgements. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Authors confirm allocation details but cannot recover the analysis plan. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
A reply may be incomplete or retrospective. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Disclose Missing Information and Author Contact”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
CHAPTER 16 OF 16
16. Conclude With an Appraisal Decision Trail
Why this move matters
Summarise tool fit, profiles, disagreements, synthesis consequences, certainty and guarded wording with links to full records.
Did You Know? A diagnostic engine is useful only when its inputs and transformations remain visible.
Open the judgement, not only the label
Summarise tool fit, profiles, disagreements, synthesis consequences, certainty and guarded wording with links to full records. Name the review question, appraisal tool and version, domain, signalling evidence, reviewer judgement and rationale.
Trace one appraisal into the synthesis
Worked example: Readers can move from the final claim back to every decisive appraisal rationale. Follow the judgement through calibration, disagreement, sensitivity analysis, certainty assessment and conclusion wording.
Protect the boundary between tools
PRISMA reports the review, RoB 2 or another appropriate instrument supports a particular assessment, and certainty frameworks address a body of evidence. One label should not silently perform all three jobs.
Respect the development boundary
Transparent reporting does not guarantee correct judgement. The Systematic Engine reporting guideline is under development. This guide explains the registered four-function model and current tools without inventing a finished checklist.
Practical reader check
- Point to the exact source or method sentence supporting the claim.
- Name the person, setting, date, input and decision rule that could change its meaning.
- Label the remaining uncertainty reported, inferred, contested or unknown.
Student, parent and career transfer
Make one evidence card for “Conclude With an Appraisal Decision Trail”: source location, plain-language meaning, limit and next question. A parent or teacher can ask for one everyday explanation and one specialist explanation; both must preserve the same conditions. This habit supports evidence synthesis, medicine, public health, education research, policy analysis, librarianship, peer review, statistics and scientific communication without promising a grade, admission, funding decision or job.
PRACTICE LAB
Build a Systematic Engine decision trail
Student route
- Choose one original report inside this guide’s scope.
- Copy its objective and underline actor, action, context, evidence and intended decision.
- Draw the specific reasoning chain used in this article.
- Mark each step reported, inferred, contested or unknown.
- Rewrite the conclusion so it preserves the narrowest important limitation.
Parent or teacher route
Ask the learner to explain how English helps us make every critical-appraisal judgement traceable from the source evidence to the final review conclusion twice: once to a classmate and once to a method specialist. Praise a precise correction and a well-stated unknown; both show disciplined attention to evidence.
Early-career route
Create a one-page Systematic Engine audit with source link, date checked, scope, method logic, decisive wording, contrary evidence, limit and next action. A colleague should be able to continue without guessing.
Decision rule
If a shorter explanation removes the condition that made the original claim true, it is not clearer yet. Restore the condition.
Continue with eduKate’s guides to reading course and career information and giving useful feedback in group projects.
USEFUL NEXT READING
Connect this narrow owner to its neighbour
Read the PRISMA-TRAICE AI-assisted review guide for a related but different reader job. Return here when the question is specifically how to make every critical-appraisal judgement traceable from the source evidence to the final review conclusion. This boundary keeps one canonical owner per intent.
For English practice across research, school and career communication, visit the English at work and in public life guide.
FREQUENTLY ASKED QUESTIONS
Questions students and parents often ask
Is The Systematic Engine a final checklist?
No. EQUATOR lists the reporting guideline as under development.
Does it replace PRISMA 2020?
No. PRISMA reports the review; this project focuses on reporting the appraisal process.
Does it replace RoB 2?
No. RoB 2 is an assessment tool for specified randomised-trial results.
Should quality scores be averaged?
Domain-based profiles and rationales are usually more informative than an invented composite score.
Why report reviewer disagreement?
It shows where evidence or tool interpretation was uncertain and how the final judgement arose.
What is interpretive guarding?
Matching conclusion language to the strength and limitations of the appraised evidence.
PRIMARY SOURCES
Read the original Systematic Engine guidance
Facts were checked against original publications and official records on 6 November 2026. Follow the live source for later corrections, completed updates or companion material.
- The Systematic Engine, EQUATOR Network
- The Systematic Engine project, OSF
- PRISMA 2020 official statement
- Current RoB 2 version
A cheerful final note
Precise English helps us make every critical-appraisal judgement traceable from the source evidence to the final review conclusion more generous, not less. People can see how their evidence and values entered the work, where disagreement remains and what a responsible next step looks like.