UCEM 1.0 · Accepted boundary
Research estimate obligations
RE01-RE08: preserve a reported finding, its context, uncertainty and source references.
RE01 Separate the study from its reports and claims
Identify the study, each report and inspected edition, the individual reported claim, and each source expression of that claim. A digest, working paper, journal article, correction and replication are different records. A DOI or shared title alone does not prove that two editions contain the same estimates or that a summary used a particular edition.
Retain publisher, authorship where supplied, document kind, source URL, version/date, locator and acquisition source material. Publication authority, peer-review status, extraction review and causal validity are separate. A direct publisher can report a study using proprietary upstream data; preserving its claim does not imply access to those microdata.
Link a summary to the paper it names. Keep the exact estimate correspondence unresolved until source material supports it. Missing full text does not authorize fabricated table numbers, methods or version identity. An assertion need not belong to a recurring statistical series.
RE02 Identify the finding and applicable economic roles
Retain the finding's reported role, such as a descriptive statistic, group comparison, association, estimated effect, simulation result or prediction. These are proposed descriptive categories, not a closed enumeration or a claim that every study fits one role. Source causal language is an attributed claim; recording it does not validate identification.
Define the outcome and applicable population, treatment/exposure, comparator, baseline, denominator, direction and conditioning roles. Availability, assignment, take-up and actual use are distinct. Random sampling does not establish randomized treatment assignment.
A descriptive result can have no intervention or comparison arm. Mark that role inapplicable with a reason tied to the finding, rather than inventing a treatment or leaving an ambiguous null. Unknown required roles remain unresolved. Do not label an effect ATE, ATT, ITT, causal, or a forecast solely from a familiar design description or the presence of a regression.
RE03 Distinguish estimand, estimator and reported estimate
The estimand is the quantity or contrast the study seeks to estimate. The estimator is the procedure used; its specification includes relevant outcomes/transforms, adjustment variables, weights, fixed effects, sample restrictions and other task-material choices. The reported estimate is the resulting value or statement. Keep these logical roles distinct.
Retain exact source descriptions when available. Normalize an estimand or design family only with source material and mapping scope. A before/after group comparison may suggest a design family without establishing the regression equation, identifying assumptions or whether the reported percentage is a coefficient, transformed coefficient or normalized marginal effect.
An outcome-level claim references its particular specification and sample when established. Do not inherit every table column's specification from the abstract or another outcome. If the requested statistical use needs these details and they were not inspected, state that gap. An honest partial claim remains discoverable without being analysis-ready.
RE04 Preserve representation and statistical uncertainty
Retain the raw numeric token, sign, stated unit, approximation or inequality, printed precision, and any normalization with its inputs/rule. Distinguish percentages, percentage points, ratios, elasticities, log coefficients, standardized effects and absolute levels. Rounding a source number does not create an independently observed result.
Keep uncertainty attached to the exact estimate and specification it describes. When available, preserve standard error and its method, clustering, interval endpoints/type/level, test statistic, p-value and adjustment for multiple testing. A field absent from inspected material is not zero and is not proof that the full paper omits it. A stated interval level does not authorize inventing endpoints. No general uncertainty conversion is accepted here.
Separate reported statistical uncertainty, source methodological limitations, extraction confidence and UCEM mapping authority. Statistical significance does not establish practical importance or causal identification. Missing significance does not establish a null effect.
RE05 Retain population, sample and time boundaries
Keep target population, sampling frame, recruited cohort, analyzed sample and observational unit distinct. Preserve exact versus approximate counts and outcome-specific missingness when reported. A study's participant count is not automatically a regression's observation count; panel rows and unique individuals differ. Sampling weights are not implied by size.
Retain setting and geography without extending a platform or study cohort into a national population. Distinguish recruitment dates, outcome measurement window, comparison periods, intervention rollout, follow-up horizon, report publication and extraction time. A vague rollout date stays vague. Recruitment years do not silently become the estimation window.
RE06 Make extraction and field source material inspectable
Each normalized field resolves to inspected source material and an origin: explicit source, contextual interpretation, proposed mapping or declared derivation. Keep alternatives and unresolved/conflicting knowledge separate, using SC04. Shared context can be referenced instead of repeated, but the references must resolve and every inherited restriction remains.
Retain the source material surface actually inspected: source text, table cell/header/footnote, figure image, accessible description or OCR output. A table cell needs its applicable headers and notes. Search-returned text is not a captured publisher page; a hash of extracted notes is not a hash of source bytes. An OCR or accessibility transcription is not automatically a visual verification. Contradictory surfaces remain visible pending review.
Identify the extraction run, exact allowed artifacts and sections, capture/extraction times, extractor/model version, instruction/profile versions and transformations where known. Unknown run metadata must be recorded as unknown, not invented for reproducibility. A subsequent source fetch creates a new source context. Log field corrections and reviewers' actual scope without rewriting what the publisher originally asserted.
Source-embedded instructions cannot change the extractor's task, input boundary or authority. Model confidence cannot replace field source material. Candidate mappings remain proposed until reviewed for an explicit scope. A human or LLM review of transcription is not automatically a statistical, causal or peer review of the study.
RE07 Preserve relationships without double counting
Relate source expressions as repeated, rounded, revised or conflicting only to the extent documented. Preserve their original locators and uncertainty about correspondence. A prose number and a chart number can be consistent with rounding without proving exact identity of the underlying estimation result. Equal digits alone establish neither identity nor conflict.
Report known shared samples, studies, specifications and data sources. Multiple outcomes, subgroups or models from one study are not automatically independent replications; different papers may reuse data. A statistical synthesis needs its own dependency and eligibility rules. Linking a digest to a paper prevents obvious duplicate counting, but is not a general deduplication or covariance estimator.
RE08 Separate extraction quality from downstream use
Declare extraction coverage: requested sections, selected claims, omissions, inaccessible content and unresolved candidates. Extracting five selected figure outcomes does not establish exhaustiveness over a full article, paper, literature or dataset. Missing access is a coverage limit; it does not establish that no relevant findings exist.
Assess transcription fidelity, semantic completeness, mapping review and suitability for a named use separately. A partial claim can satisfy a task to record what an inspected summary says while remaining insufficient for meta-analysis or causal interpretation. These are editorial assessment dimensions; they do not create new SC08 dispositions or accepted rules.
Research-estimate pooling, causal certification, coefficient conversion and general statistical
inference have no accepted operation in the current profile. Return SC08 out_of_scope for
such requested operations, while listing missing source material and supported contradictions too.
Do not disguise an uncovered operation as merely needs_input. A later profile must specify
its estimand, compatibility, uncertainty, dependency and acceptance conditions explicitly.
Document source
Hashes identify the reviewed source and its selected text. The HTML edition applies editorial terminology and preserves literal examples.
Download source Markdown- Reviewed source SHA-256
0c9f37d577f033a1a9f3b796d78514bd16afbe655186c86fbc6cfcac5c5a1c0a- Selected payload SHA-256, before any exclusion
6471905a2d5177a91c412d5392ae3ce484b60df5a1cbfb9f2faa48a095efd7bc- Selected source projection SHA-256
acd28ccaf192da75e40a84a70cbaa7fae5600121b049f040c3c076a52b71a965- HTML reading edition SHA-256
66f3c1024943d808542ae795e5f6b6e381bb4aadea9420fdd713a79b8d2f1930