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PRISMA 2020 flow templates

Multi-Experiment Papers — Two Boxes, One of Them Larger

PRISMA 2020 draws two numbers at the bottom of the funnel because one study is often reported in several papers — and the usual direction is many reports per study. This review runs the other way: 92 studies from 74 reports, because an "Experiment 1 / Experiment 2" paper carries two independent studies, which in psychology and education is routine rather than remarkable. The engine says so as INFO and the document reports CLEAN. It used to warn, and a warning here punishes honesty: the only way to clear it was to omit `studies_included` and report less than the truth. The arithmetic is untouched either way — the eligibility stage is reckoned in reports.

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Template previewPRISMA 2020 flow
Antenatal exercise and birth outcomes — review1,724 records identified · 2 exclusion reasonsIdentificationScreeningEligibilityIncludedRecords identified from:n = 1,724Databases: 1,680 · Registers: 44Records removed before screeningn = 416Duplicates removed: 355Excluded by automation: 61Records screened (title / abstract)n = 1,308Records excluded by reviewern = 1,010Reports sought for retrievaln = 298Reports not retrievedn = 16Reports assessed for eligibilityn = 282Reports excluded:n = 208Not antenatal: n = 118No birth outcome: n = 90Studies included in reviewn = 92Reports of included studies: 74Every record is accounted for: all 4 stages of the flow balance.INFOThe document reports 92 included studies from 74 included reports — more studies than papers describing them. The usual direction is the other way, socheck whether some of these reports describe more than one independent study (an "Experiment 1 / Experiment 2" paper does). The flow itself stillbalances: the eligibility stage is reckoned in reports.OKAll 11 stated counts are whole numbers of records.OKIdentification balances: 1,680 + 44 − 355 − 61 = 1,308 `title_screened`.OKScreening balances: 1,308 − 1,010 = 298 `abstracts_sought`.OKRetrieval balances: 298 − 16 = 282 `fulltext_assessed` (`other_sought` and `other_unavailable` are not stated and read as zero).OKEligibility balances: 282 − 208 = 74 `reports_included`.OKThe funnel descends: all 4 stage-to-stage comparisons hold — no count is larger than the one before it.OKAll 2 exclusion reasons are named and distinct, accounting for 208 reports.

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title "Antenatal exercise and birth outcomes — review"

db_records 1680
register_records 44
duplicates 355
excluded_auto 61

title_screened 1308
title_excluded 1010

abstracts_sought 298
abstracts_unavailable 16

fulltext_assessed 282
exclude_reason "Not antenatal" 118
exclude_reason "No birth outcome" 90

reports_included 74
studies_included 92