Why English? | Reporting PRISMA-S Literature Searches Through Databases, Strategies, Dates and Deduplication

PRISMA-S literature search reporting matters because a systematic review can only examine evidence that its search made visible. People searching for a PRISMA-S checklist, systematic review search strategy or literature search reporting guide usually need more than a database list. They need to see which platform was used, what syntax was run, when the search occurred, how restrictions and filters worked, how updates were managed and how duplicate records were removed.

The official PRISMA search extension page, checked on 5 November 2026, states that PRISMA-S was published in 2021 and contains 16 reporting items. The open explanatory paper says the checklist complements PRISMA and guides reporting rather than search conduct. It covers named information sources and methods, full strategies, restrictions, filters, prior work, updates, dates, peer review, record totals and deduplication.

This is a precise language task. A phrase such as “major databases were searched” sounds efficient but hides the method. Clear English keeps databases separate from platforms, eligibility criteria separate from search limits, records separate from reports and studies, and the initial search separate from later updates. It also leaves room for other languages and evidence systems instead of assuming English-language indexing represents the whole world.

Readers who need the wider review process can begin with how systematic reviews work, then connect this search-reporting guide to the existing PRISMA-P protocol guide and PRISMA-ScR scoping-review guide.

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Define the Search as a Reproducible Method

State the review question, eligible evidence and search purpose before describing individual resources.

What the search report must name

Start with the nouns that identify the search environment: database, platform, registry, website, citation index, contact route or repository. For define the search as a reproducible method, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A report names MEDLINE but omits whether it used Ovid, PubMed or another platform; the missing platform matters because syntax and available fields differ. Apply that check to define the search as a reproducible method by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

PRISMA-S is a 16-item reporting extension published in 2021 and should be used with the main PRISMA guidance appropriate to the review. This boundary is decisive for define the search as a reproducible method. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Keep PRISMA-S Beside PRISMA 2020

Use the search extension for detail while retaining the main reporting framework for the whole review.

What the search report must name

Copy exact details from the methods and supplement before summarising them; field codes, quotation marks, truncation and Boolean grouping can change retrieval. For keep prisma-s beside prisma 2020, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A strategy says that grey literature was searched but does not name websites, search strings, dates or how many results were screened; the reader cannot reproduce the route. Apply that check to keep prisma-s beside prisma 2020 by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

The checklist guides reporting, not the conduct of searching; a beautifully reported weak strategy can still miss important evidence. This boundary is decisive for keep prisma-s beside prisma 2020. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 1: Name Every Database and Platform

A database name without its platform can hide syntax, coverage and interface differences.

What the search report must name

Keep the method connected to its date because databases, interfaces, indexing and web results change over time. For item 1: name every database and platform, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A team copies an earlier review strategy, adapts it for a new population and cites the source; that history is more transparent than presenting the strategy as entirely new. Apply that check to item 1: name every database and platform by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

No single database contains every relevant study, and naming several databases does not show that each strategy was well translated. This boundary is decisive for item 1: name every database and platform. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 2: Report Multi-Database Searching

When one platform searches several databases at once, list every database and the shared platform.

What the search report must name

Distinguish a source used to find records from a source cited for background; only the former belongs in the search account. For item 2: report multi-database searching, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A language restriction is applied during screening rather than within the database; the report should preserve that distinction because it affects retrieval and flow counts differently. Apply that check to item 2: report multi-database searching by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Search restrictions may be justified, but they can shape which languages, regions, designs and findings become visible. This boundary is decisive for item 2: report multi-database searching. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 3: List Study Registries

Name registries searched for ongoing, completed or unpublished studies and give a stable route to each.

What the search report must name

Separate eligibility criteria from restrictions imposed inside a search interface so readers can see where records may have been lost. For item 3: list study registries, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A weekly alert runs after the main search; the update account identifies the database, alert frequency, end date and process for merging new records. Apply that check to item 3: list study registries by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

A copied search string may still fail if the platform, coverage date or interface behaviour has changed. This boundary is decisive for item 3: list study registries. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 4: Describe Online Resources and Browsing

Websites, conference proceedings and targeted browsing need named sources, methods, dates and screening limits.

What the search report must name

Treat search updates as methods with their own dates, syntax and deduplication steps, not as an invisible final refresh. For item 4: describe online resources and browsing, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Two databases are searched simultaneously through one platform; the report lists each database instead of naming only the platform. Apply that check to item 4: describe online resources and browsing by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Total records are not the same as unique studies because one study can have several reports and records. This boundary is decisive for item 4: describe online resources and browsing. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 5: Explain Citation Searching

Distinguish backward reference checking, forward citation searching, citation indexes and alerts.

What the search report must name

Record who performed or peer-reviewed the search when that information is reported, while avoiding appeals to authority. For item 5: explain citation searching, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A librarian peer-reviews the strategy with a named process and the authors record material changes, allowing readers to see what was checked without assuming perfection. Apply that check to item 5: explain citation searching by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Peer review can reduce errors but does not guarantee comprehensive retrieval or unbiased synthesis. This boundary is decisive for item 5: explain citation searching. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 6: Report Contacts and Calls for Evidence

Describe who was contacted, how, when and what additional studies or data were sought.

What the search report must name

Reconcile resource-level counts with the flow diagram and deduplication account before accepting the final total. For item 6: report contacts and calls for evidence, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Software removes exact duplicates and a reviewer checks near-duplicates manually; the report gives both stages and the resulting counts. Apply that check to item 6: report contacts and calls for evidence by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Respect non-English evidence and report translation or language decisions rather than treating English-language indexing as the whole evidence base. This boundary is decisive for item 6: report contacts and calls for evidence. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 7: Capture Other Search Methods

Personal files, related-record tools and other routes should be described rather than folded into an unexplained miscellaneous search.

What the search report must name

Start with the nouns that identify the search environment: database, platform, registry, website, citation index, contact route or repository. For item 7: capture other search methods, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A report names MEDLINE but omits whether it used Ovid, PubMed or another platform; the missing platform matters because syntax and available fields differ. Apply that check to item 7: capture other search methods by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

PRISMA-S is a 16-item reporting extension published in 2021 and should be used with the main PRISMA guidance appropriate to the review. This boundary is decisive for item 7: capture other search methods. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 8: Publish Full Search Strategies

Copy and paste every strategy exactly as run, with resource and platform identity attached.

What the search report must name

Copy exact details from the methods and supplement before summarising them; field codes, quotation marks, truncation and Boolean grouping can change retrieval. For item 8: publish full search strategies, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A strategy says that grey literature was searched but does not name websites, search strings, dates or how many results were screened; the reader cannot reproduce the route. Apply that check to item 8: publish full search strategies by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

The checklist guides reporting, not the conduct of searching; a beautifully reported weak strategy can still miss important evidence. This boundary is decisive for item 8: publish full search strategies. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Translate Strategies Across Platforms Carefully

Equivalent concepts may require different subject headings, field codes, proximity operators and truncation rules.

What the search report must name

Keep the method connected to its date because databases, interfaces, indexing and web results change over time. For translate strategies across platforms carefully, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A team copies an earlier review strategy, adapts it for a new population and cites the source; that history is more transparent than presenting the strategy as entirely new. Apply that check to translate strategies across platforms carefully by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

No single database contains every relevant study, and naming several databases does not show that each strategy was well translated. This boundary is decisive for translate strategies across platforms carefully. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 9: State Limits and Restrictions

Say whether limits were absent or identify every date, language, design or population restriction and justify it.

What the search report must name

Distinguish a source used to find records from a source cited for background; only the former belongs in the search account. For item 9: state limits and restrictions, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A language restriction is applied during screening rather than within the database; the report should preserve that distinction because it affects retrieval and flow counts differently. Apply that check to item 9: state limits and restrictions by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Search restrictions may be justified, but they can shape which languages, regions, designs and findings become visible. This boundary is decisive for item 9: state limits and restrictions. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Keep Language Decisions Visible

Report whether language was restricted during searching, screening or both and how translation was handled.

What the search report must name

Separate eligibility criteria from restrictions imposed inside a search interface so readers can see where records may have been lost. For keep language decisions visible, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A weekly alert runs after the main search; the update account identifies the database, alert frequency, end date and process for merging new records. Apply that check to keep language decisions visible by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

A copied search string may still fail if the platform, coverage date or interface behaviour has changed. This boundary is decisive for keep language decisions visible. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 10: Cite Search Filters

Name published filters, cite their source and describe modifications instead of treating them as invisible syntax.

What the search report must name

Treat search updates as methods with their own dates, syntax and deduplication steps, not as an invisible final refresh. For item 10: cite search filters, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Two databases are searched simultaneously through one platform; the report lists each database instead of naming only the platform. Apply that check to item 10: cite search filters by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Total records are not the same as unique studies because one study can have several reports and records. This boundary is decisive for item 10: cite search filters. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 11: Credit Prior Search Work

Cite earlier strategies that were reused or adapted and show which parts changed for the new question.

What the search report must name

Record who performed or peer-reviewed the search when that information is reported, while avoiding appeals to authority. For item 11: credit prior search work, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A librarian peer-reviews the strategy with a named process and the authors record material changes, allowing readers to see what was checked without assuming perfection. Apply that check to item 11: credit prior search work by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Peer review can reduce errors but does not guarantee comprehensive retrieval or unbiased synthesis. This boundary is decisive for item 11: credit prior search work. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 12: Describe Search Updates

Report reruns, alerts, revised resources, syntax changes and the treatment of new records.

What the search report must name

Reconcile resource-level counts with the flow diagram and deduplication account before accepting the final total. For item 12: describe search updates, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Software removes exact duplicates and a reviewer checks near-duplicates manually; the report gives both stages and the resulting counts. Apply that check to item 12: describe search updates by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Respect non-English evidence and report translation or language decisions rather than treating English-language indexing as the whole evidence base. This boundary is decisive for item 12: describe search updates. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 13: Date Every Search

Give the last date for each strategy so readers can judge currency and plan a future update.

What the search report must name

Start with the nouns that identify the search environment: database, platform, registry, website, citation index, contact route or repository. For item 13: date every search, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A report names MEDLINE but omits whether it used Ovid, PubMed or another platform; the missing platform matters because syntax and available fields differ. Apply that check to item 13: date every search by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

PRISMA-S is a 16-item reporting extension published in 2021 and should be used with the main PRISMA guidance appropriate to the review. This boundary is decisive for item 13: date every search. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 14: Explain Search Peer Review

Name the review process and material changes without implying that peer review guarantees completeness.

What the search report must name

Copy exact details from the methods and supplement before summarising them; field codes, quotation marks, truncation and Boolean grouping can change retrieval. For item 14: explain search peer review, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A strategy says that grey literature was searched but does not name websites, search strings, dates or how many results were screened; the reader cannot reproduce the route. Apply that check to item 14: explain search peer review by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

The checklist guides reporting, not the conduct of searching; a beautifully reported weak strategy can still miss important evidence. This boundary is decisive for item 14: explain search peer review. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 15: Report Records From Each Source

Show resource-level retrieval totals and reconcile them with the overall flow of records.

What the search report must name

Keep the method connected to its date because databases, interfaces, indexing and web results change over time. For item 15: report records from each source, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A team copies an earlier review strategy, adapts it for a new population and cites the source; that history is more transparent than presenting the strategy as entirely new. Apply that check to item 15: report records from each source by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

No single database contains every relevant study, and naming several databases does not show that each strategy was well translated. This boundary is decisive for item 15: report records from each source. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Item 16: Describe Deduplication

Report software, settings, manual checks, order of operations and record counts before and after deduplication.

What the search report must name

Distinguish a source used to find records from a source cited for background; only the former belongs in the search account. For item 16: describe deduplication, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A language restriction is applied during screening rather than within the database; the report should preserve that distinction because it affects retrieval and flow counts differently. Apply that check to item 16: describe deduplication by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Search restrictions may be justified, but they can shape which languages, regions, designs and findings become visible. This boundary is decisive for item 16: describe deduplication. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Distinguish Records, Reports and Studies

One study may produce several records and reports, so counts require stable nouns and linked identities.

What the search report must name

Separate eligibility criteria from restrictions imposed inside a search interface so readers can see where records may have been lost. For distinguish records, reports and studies, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A weekly alert runs after the main search; the update account identifies the database, alert frequency, end date and process for merging new records. Apply that check to distinguish records, reports and studies by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

A copied search string may still fail if the platform, coverage date or interface behaviour has changed. This boundary is decisive for distinguish records, reports and studies. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Archive Search Materials With Version Identity

Store strategies, exports and amendments in a durable supplement or repository with dates and filenames.

What the search report must name

Treat search updates as methods with their own dates, syntax and deduplication steps, not as an invisible final refresh. For archive search materials with version identity, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Two databases are searched simultaneously through one platform; the report lists each database instead of naming only the platform. Apply that check to archive search materials with version identity by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Total records are not the same as unique studies because one study can have several reports and records. This boundary is decisive for archive search materials with version identity. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Help Students Build a Search Log

A simple table of source, platform, strategy, date, results and notes makes school and university research more auditable.

What the search report must name

Record who performed or peer-reviewed the search when that information is reported, while avoiding appeals to authority. For help students build a search log, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

A librarian peer-reviews the strategy with a named process and the authors record material changes, allowing readers to see what was checked without assuming perfection. Apply that check to help students build a search log by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Peer review can reduce errors but does not guarantee comprehensive retrieval or unbiased synthesis. This boundary is decisive for help students build a search log. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Finish With a PRISMA-S Search Audit

Before submission, trace all 16 items from the manuscript to the supplement, flow diagram and archived materials.

What the search report must name

Reconcile resource-level counts with the flow diagram and deduplication account before accepting the final total. For finish with a prisma-s search audit, a strong report preserves the exact resource, platform, date, syntax or decision rule that another reader would need to understand the search. English is doing practical record-keeping here: it keeps a method attached to its source instead of replacing it with a vague phrase such as “we searched widely”.

Reproducibility check

Software removes exact duplicates and a reviewer checks near-duplicates manually; the report gives both stages and the resulting counts. Apply that check to finish with a prisma-s search audit by recording what was searched, how it was searched, when it happened, what restrictions were applied and which output entered the review. If a detail is absent, label the gap rather than reconstructing an attractive strategy that the authors did not report.

Limit and useful next move

Respect non-English evidence and report translation or language decisions rather than treating English-language indexing as the whole evidence base. This boundary is decisive for finish with a prisma-s search audit. A complete PRISMA-S description makes the search inspectable; it does not by itself prove that every eligible study was found or that the review question, screening and synthesis were sound. End the note with one proportionate next move: inspect the supplement, compare the strategy with the eligibility criteria, request the missing detail or explain how the omission limits reproducibility.

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Frequently Asked Questions

What does PRISMA-S stand for?

PRISMA-S is the PRISMA extension for reporting literature searches in systematic reviews.

How many PRISMA-S items are there?

The official PRISMA page states that the 2021 checklist contains 16 reporting items.

Does PRISMA-S tell me how to conduct a search?

No. It guides complete reporting. Search design and execution still require appropriate information-retrieval methods and expertise.

Why name both a database and a platform?

The same database can be available through different platforms with different syntax, fields and functions.

Must every search strategy be reported?

PRISMA-S asks authors to include strategies for each database and information source, copied exactly as run.

What is the difference between a limit and a filter?

A database limit is an interface restriction; a search filter is a predefined combination of terms, often designed and tested for reuse.

Why report deduplication?

Different software and decision rules can remove different records, so the process affects the screening set.

Can PRISMA-S prove a review found everything?

No. Complete reporting makes the search inspectable and reproducible but does not guarantee perfect retrieval.

Can students use PRISMA-S?

Yes. A scaled search log teaches precise source naming, dates, query documentation and honest limits.

How should language restrictions be written?

State where the restriction occurred, why it was used, how non-English records were handled and how it limits interpretation.

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Useful Next Reading

• Read the official PRISMA-S page and download the checklist.
• Read the open PRISMA-S explanation and elaboration paper.
• Connect search reporting to the PRISMA-P protocol guide.
• Practise research writing across sources, notes, synthesis and citation.

Closing thought: A transparent search is not merely a long string of keywords; it is a dated, named and reproducible account of how evidence became available for review.