CASRAI Dictionary

Tag: credit contribution taxonomy

  • CRediT Taxonomy at Cell Press vs STAR Methods

    Cell Press embeds the CRediT taxonomy inside a highly formalised manuscript template — Summary, STAR★Methods, and a back-matter Author Contributions section — rather than treating it as a free-floating declaration bolted onto the end of a paper. The taxonomy itself sits in Author Contributions, not inside STAR★Methods, but both are governed by the same family-wide Cell Press formatting policy. That distinction matters for anyone comparing how publishers operationalise contributor-role reporting.

    The CRediT taxonomy at Cell Press journals — Cell, Cell Reports, Molecular Cell, Cell Metabolism, and the rest of the family — follows the same 14-role vocabulary used everywhere else, but the surrounding article architecture is unusually structured. CRediT is a controlled vocabulary of 14 contributor roles used to describe who did what on a research output. Understanding where Cell Press places it, and why, is useful for research administrators, publishers, and developers building submission tooling.

    What is the CRediT taxonomy at Cell Press?

    CASRAI originated the CRediT contributor role taxonomy in 2014. The standard is now stewarded by NISO as ANSI/NISO Z39.104-2022. Cell Press adopted it early: Deborah Sweet, Cell Press’s Vice President of Editorial, announced in a June 2015 Cell Mentor post that the Author Contributions section — traditional or CRediT-formatted — was being introduced as an option across Cell Press journals.

    At that point, per Sweet’s post, the section was optional unless a paper carried co-first authorship, in which case a contributions statement became necessary to clarify precedence. The taxonomy provides 14 discrete roles:

    • Conceptualization
    • Data curation
    • Formal analysis
    • Funding acquisition
    • Investigation
    • Methodology
    • Project administration
    • Resources
    • Software
    • Supervision
    • Validation
    • Visualization
    • Writing – original draft
    • Writing – review & editing

    Cell Press has never claimed ownership of the taxonomy; its published guidance credits the originating collaboration and links out to the standard, consistent with an “originator, not owner” framing that has held since 2015.

    Where does CRediT sit relative to the Summary and STAR★Methods?

    This is the section most write-ups get wrong. Cell Press’s own manuscript-preparation guidance caps the front-matter Summary at 150 words, written as a single unstructured paragraph with no citations — it is not a labelled, IMRaD-style structured abstract. The structure that gives Cell Press its reputation lives further down the paper, in STAR★Methods (Structured, Transparent, Accessible Reporting), which replaces a conventional free-text Methods section with standardised subsections: a Key Resources Table, Resource Availability, Experimental Model and Subject Details, Method Details, and Quantification and Statistical Analysis.

    CRediT itself does not sit inside STAR★Methods. It occupies its own Author Contributions block in the back matter, ordered — per the current Cell Press article template — after Acknowledgments and before Declaration of Interests and the reference list. The practical pattern is this: STAR★Methods standardises what was done and how; the CRediT-based Author Contributions statement, sitting immediately alongside it in the same standardised back matter, standardises who did it. Both are governed by one uniform, family-wide Cell Press formatting policy that applies identically whether a paper is submitted to Cell, Molecular Cell, or Cell Reports.

    That is the genuinely distinct editorial pattern: not CRediT literally nested inside STAR★Methods, but CRediT folded into the same rigid, standardised template architecture that STAR★Methods represents — a single formatting regime covering resources, methods, and contributorship together, rather than an ad hoc statement appended wherever a given journal happens to put it.

    How does this differ from the free-standing statement used elsewhere?

    Many publishers treat the Author Contributions/CRediT statement as a genuinely free-standing element: a short paragraph or table inserted near the end of the manuscript with no other structural scaffolding around it. Cell Press’s family-wide template treats it as one governed component among several.

    Feature Cell Press pattern Typical free-standing pattern
    Summary/abstract 150-word unstructured paragraph, no citations Varies by journal; often unstructured, no fixed cap
    Methods reporting Mandatory STAR★Methods with Key Resources Table Free-text Methods, no standardised subsections
    Author Contributions placement Fixed back-matter slot after Acknowledgments, before Declaration of Interests Placement varies; sometimes front matter, sometimes end matter
    CRediT status (historically) Optional unless co-first authorship (per 2015 policy) Mandatory at many journals since 2016, e.g. Journal of Cell Science, per Company of Biologists policy
    Governance One family-wide policy across all Cell Press titles Set independently per journal or per publisher imprint

    The comparison matters for anyone auditing submission systems across publishers: a developer building CRediT-aware manuscript tooling cannot assume a single fixed position for the statement, nor assume it is mandatory everywhere. Journal of Cell Science, for instance, requires CRediT-tagged contributions during online submission and states plainly that the taxonomy does not itself determine who qualifies as an author — authorship is a separate editorial decision at every publisher, Cell Press included.

    Answer-first questions on the CRediT taxonomy

    What is the CRediT taxonomy?

    The CRediT taxonomy is a controlled vocabulary of 14 contributor roles used to describe individual contributions to a research output, from conceptualization to writing – review & editing. It replaces a single vague “authorship” credit with a granular, role-by-role statement, and it is now formalised as ANSI/NISO Z39.104-2022.

    What are the 14 roles of the CRediT taxonomy?

    The 14 roles are Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, and Writing – review & editing. Any author may hold one or several roles on a single paper.

    What does investigation mean in CRediT taxonomy?

    Investigation, in CRediT terms, means conducting the research process itself — specifically performing experiments or carrying out data and evidence collection. It is distinct from Methodology (designing the approach) and from Formal analysis (applying statistical or computational techniques to the resulting data).

    Implications for administrators, publishers, and developers

    For research administrators, the Cell Press pattern is a reminder that CRediT compliance checks cannot be reduced to “is the statement present.” Where a co-first-authorship claim appears without any Author Contributions statement, that is a Cell Press-specific red flag worth raising with authors before submission, given the historical optional-unless-co-first-authors policy.

    For publishers and journal-system developers, the lesson is architectural: pairing a standardised contributorship statement with a standardised methods-reporting format, under one uniform policy, appears to reduce the drift that otherwise causes CRediT statements to vary wildly in placement and completeness across a publisher’s own journal family. As more publishers formalise their own STAR★Methods-style templates, expect more of them to fold CRediT into the same governed structure rather than leaving it as an isolated, easily skipped field.

    The underlying taxonomy remains unchanged wherever it appears. What Cell Press demonstrates is that where and how rigidly a publisher enforces CRediT — not the 14 roles themselves — is where meaningful editorial variation still exists across the scholarly-publishing landscape.

    Related reading: the CRediT taxonomy overview, the full list of CRediT contributor roles, and CASRAI’s authorship criteria resources.

  • Credit Taxonomy Authorship: A Case for Funder Adoption in Grant Reporting

    Opinion: grant reporting should require structured credit taxonomy authorship data alongside biosketches and final reports. Funders currently reward the named author list, not the research team that actually produced the work — and the CRediT roles already used by publishers are the readiest tool to fix that gap. This is a CASRAI perspective, not a report of confirmed funder policy: no major funder currently mandates it.

    The Contributor Role Taxonomy (CRediT) is a standardised set of 14 roles — from conceptualisation and data curation to funding acquisition and writing — used to describe who did what on a research output, distinct from the narrower question of who qualifies as an “author”. CASRAI originated CRediT in 2014; the standard is now stewarded by NISO as ANSI/NISO Z39.104-2022, and it is licensed CC-BY 4.0 for free reuse by anyone, including funders.

    What is the CRediT taxonomy, and why does grant reporting ignore it?

    CRediT is not an authorship test. It does not decide who qualifies as an author under criteria such as those set out by the International Committee of Medical Journal Editors (ICMJE); it describes contribution type once a research output exists. Publishers including Elsevier, Wiley and Taylor & Francis now require a CRediT statement at submission, mapping each named author to one or more of the 14 roles.

    Grant reporting sits entirely outside this system. A funder’s final report typically lists a principal investigator, co-investigators, and a project narrative — not a structured breakdown of who curated the data, who wrote the software, or who administered the project day to day. That gap matters because grant reports, not journal articles, are where funders form their view of “who delivered this award”.

    The case for funder-required credit taxonomy authorship data

    Three arguments support requiring CRediT-style data in grant reporting, not just at publication.

    • Credit for non-PI staff. Research software engineers, data managers, and postdoctoral researchers frequently deliver the technical core of a funded project without ever becoming a named co-investigator on the award. A contributor-role field in the final report creates an auditable record of that work, independent of authorship politics on any resulting paper.
    • Better evidence for funders’ own decisions. Funders assess renewal applications, track record, and “who can actually deliver” partly from CVs and biosketches. A structured role history — built cumulatively across a researcher’s funded outputs — is a more reliable signal than author position, which varies wildly by discipline and negotiation.
    • Continuity with ORCID. ORCID has supported CRediT role tagging on individual “Works” records since 2019. Extending the same structured field to the grant-reporting stage would let a researcher’s contributor history accumulate consistently across both outputs and awards, rather than resetting at each reporting boundary.

    None of this requires funders to redefine authorship. It only requires them to capture, at the reporting stage, data that publishers already collect at the publication stage.

    The administrative-burden counter-argument

    The strongest objection is not conceptual, it is operational. Grant reporting is already a compliance burden for research offices, and adding another structured field is not free.

    • Duplication risk. If contributor roles are recorded once at reporting and again at publication, teams will re-key the same information twice unless the two systems are linked via ORCID or a shared identifier.
    • Multi-institutional friction. Large consortium awards, common in Horizon Europe and UKRI-funded collaborations, involve dozens of contributors across institutions with different research-information systems; agreeing roles before a report deadline adds negotiation overhead.
    • Taxonomy fit. The 14 CRediT roles were designed for journal-article contributions. Some categories of grant-funded work — public engagement, infrastructure maintenance, cohort recruitment — map awkwardly onto the existing role list without local adaptation.

    These are real costs, not reasons to abandon the idea. They are reasons to pilot it narrowly and design the reporting field so it can be pre-populated from existing ORCID or publication CRediT data rather than entered from scratch.

    How grant reporting compares with today’s publisher practice

    The asymmetry between publication-stage and award-stage contributorship data is the core of the argument. It also happens to be an information gap most coverage of CRediT does not spell out.

    Stage / stakeholder Structured contributor-role data required today? Mechanism, where it exists
    Major journal publishers (Elsevier, Wiley, Taylor & Francis) Yes, at submission CRediT author statement mapping each author to one or more of 14 roles
    Grant final/interim reports (typical funder templates) No Narrative project summary and named investigator list only
    NIH biosketch No structured field Free-text “Contributions to Science” section
    ORCID “Works” record Optional, researcher-populated CRediT role tags supported since 2019
    This proposal (CASRAI perspective) Argued position, not existing policy A CRediT-derived contributor-role block appended to funder reports, pre-populated from ORCID where possible

    Answer-first questions on CRediT and author contributions

    What is funding acquisition in author contribution?

    Funding acquisition is one of CRediT’s 14 defined roles, covering acquisition of the financial support for the project that led to the published output. It is the single CRediT role most directly relevant to grant reporting, since it explicitly separates the person who secured the award from those who executed the research — a distinction current biosketch narratives rarely make clean.

    What are the criteria for author contribution?

    Under ICMJE criteria, authorship requires substantial contribution to the work’s conception or design (or data acquisition, analysis, or interpretation), drafting or critically revising the manuscript, final approval of the published version, and agreement to be accountable for it. CRediT does not replace these criteria; it sits alongside them to describe contribution type once authorship has already been determined.

    What are examples of author contributions?

    Typical CRediT-defined contributions include conceptualisation, data curation, formal analysis, funding acquisition, investigation, methodology, project administration, software, supervision, validation, visualisation, and the two writing roles — original draft, and review and editing. A single individual can hold several roles on one output.

    Implications for funders and institutions

    If funders moved toward requesting credit taxonomy authorship data in grant reports, research offices would need three things before a mandate could work in practice: an ORCID-linked pre-population mechanism to avoid double entry, a pilot cohort limited to a small number of funding calls, and explicit guidance that CRediT roles describe contribution, not authorship eligibility, so institutions do not over-interpret the data during promotion or tenure review.

    The honest case for funder adoption is incremental, not sweeping: pilot it on a subset of awards, link it to ORCID so it is populated once and reused, and treat early results as evidence rather than assuming the benefit before it is tested. Given that publishers already run this system at scale, the marginal cost of extending it one stage earlier, into grant reporting, is smaller than building a comparable structure from nothing.

  • Credit Authorship Taxonomy: The Preprint Gap

    The credit authorship taxonomy (CRediT) is largely absent from arXiv and bioRxiv preprints because neither platform has an editorial office empowered to enforce it, neither offers a dedicated contribution-metadata field, and a preprint is not yet a fixed version of record. CRediT statements are collected later, when a manuscript reaches a journal that mandates them.

    CRediT is a controlled vocabulary of 14 defined contributor roles used to describe, role by role, what each named author actually did on a research output. CASRAI originated the CRediT contributor role taxonomy in 2014, and the standard is now stewarded by NISO as ANSI/NISO Z39.104-2022.

    Contents

    What Is the CRediT Authorship Taxonomy?

    CRediT (Contributor Roles Taxonomy) assigns one or more of 14 standard role labels — Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, and Writing – review & editing — to each named contributor on a research output.

    • CASRAI originated the taxonomy in 2014 to complement, not replace, traditional authorship bylines.
    • NISO approved it as ANSI/NISO Z39.104-2022, the current formal reference standard.
    • It is licensed CC-BY 4.0 and is distinct from the ICMJE authorship criteria, which govern who qualifies as an author at all rather than what each author contributed.

    The taxonomy is now embedded in the submission systems of major publishers, including Elsevier, Wiley, Taylor & Francis, Sage and Nature Portfolio journals — almost always at the point of formal peer-reviewed submission or acceptance, not at the preprint stage.

    Why Don’t arXiv and bioRxiv Require CRediT Statements?

    Preprint servers skip CRediT largely because they have no editorial office analogous to a journal’s. arXiv and bioRxiv operate a lightweight moderation or screening check — confirming the submission is on-topic and not obviously unscientific — rather than the editorial and peer-review workflow that gives journals a natural checkpoint at which to demand a structured contributorship disclosure.

    A second reason is version-of-record ambiguity. A preprint can be revised multiple times before, or instead of, formal publication, and co-authorship or individual roles can change between versions — for example when a reviewer at the eventual journal requests new experiments performed by a newly added contributor. Locking a CRediT statement to an early preprint version risks misrepresenting the contributions behind the paper that ultimately gets cited.

    Neither arXiv nor bioRxiv has published an official policy explaining the omission; the absence reflects infrastructure and governance gaps rather than a stated objection to the taxonomy itself.

    The Submission and Metadata Gap Behind the Absence

    The practical blocker is metadata architecture. arXiv collects author information as a single free-text field with no dedicated structure for role-level contribution data. bioRxiv and medRxiv, run by Cold Spring Harbor Laboratory, capture somewhat richer structured metadata — including funder information — but likewise have no CRediT field in their submission forms.

    This differs from what happens downstream. Crossref’s deposit schema supports embedding CRediT contributor-role metadata against a published journal article’s DOI record, which is how a reader can eventually see machine-readable contribution data attached to the version of record. Preprint DOI records typically carry no equivalent CRediT element, because the preprint servers do not populate it and have no requirement to.

    Feature arXiv / bioRxiv (preprint) Typical CRediT-mandating journal
    Screening body Moderators (topic/scope check) Editorial board + peer reviewers
    Author metadata field Free-text author list Structured CRediT role fields in submission system
    Version status Multiple revisable versions Single accepted version of record
    CRediT statement required No Often yes, per publisher policy
    DOI metadata (CRediT roles) Generally absent Supported via Crossref deposit schema

    What Changes When a Preprint Reaches a CRediT-Mandating Journal?

    Once a manuscript that began life as an arXiv or bioRxiv preprint is accepted by a journal that mandates CRediT, the contribution statement is captured during that journal’s own submission or production workflow — not retrofitted onto the preprint record itself.

    Authors typically complete role selections in the publisher’s manuscript system (for example, at revision or acceptance stage), and the resulting statement appears on the published article page and, where supported, in the article’s Crossref-deposited metadata. bioRxiv and medRxiv link out to the published version once available, but the CRediT statement itself lives with the publisher’s version of record, not the earlier preprint.

    Answer-First Q&A

    What is the CRediT taxonomy?

    The CRediT taxonomy is a standardised, 14-role controlled vocabulary — covering roles such as Conceptualization, Investigation, and Writing – original draft — used to describe each named author’s specific contribution to a research output, distinct from authorship order or byline position.

    What are the 14 roles of the CRediT taxonomy?

    The 14 roles are Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, and Writing – review & editing, as defined under ANSI/NISO Z39.104-2022.

    Do preprints need a CRediT statement?

    No. Neither arXiv nor bioRxiv currently requires a CRediT statement, since neither maintains the editorial enforcement mechanism or the structured metadata field that journals use to collect this information at submission or acceptance.

    What happens to author contributions when a preprint is later published?

    The CRediT statement is generated at the journal stage, through the publisher’s own submission system, and appears on the published version of record — it is not added retroactively to the original preprint page on arXiv or bioRxiv.

    Implications for Research Administrators and Institutions

    Institutions relying on contributorship data for research assessment, promotion cases, or authorship-dispute resolution should treat preprints as an incomplete contributorship record. The Contributor Roles Taxonomy resource maintained at CASRAI’s CRediT contributor roles hub and CASRAI’s broader authorship guidance both point research offices toward the published, CRediT-tagged version rather than the preprint when contributorship needs to be verified or cited formally.

    • Do not assume a preprint’s author order reflects final contribution roles — roles can shift before formal publication.
    • Check the journal’s published version, and its Crossref metadata where available, for the authoritative CRediT statement.
    • Use CASRAI’s research administration dictionary to confirm terminology when drafting institutional authorship policy.

    Outlook: Will Preprint Servers Adopt CRediT?

    Momentum toward richer preprint metadata is real but has so far concentrated on discoverability and version-linking rather than contributorship. Until arXiv or bioRxiv add a structured contribution field, and until a body with editorial standing is prepared to enforce it, CRediT statements will remain a journal-stage artefact rather than a preprint-stage one. Research offices and funders that want contributor-level accountability earlier in the research lifecycle will need to look to journal policy, not preprint infrastructure, for now.