Template

Protocol preregistration & preprint checklist

Interactive preregistration template and checklist to support transparent study design, reduce analytic flexibility, and capture commitments for preprints, data, and code sharing.

Interactive Tool

Protocol preregistration & preprint checklist

Use this interactive template to preregister your study protocol and record commitments to share methods, data, and code. Complete required fields and save a versioned copy. Adapt sections for your study type and add detail where needed.
Concise descriptive title.
Name and affiliation.
Contact for queries.
Brief summary of aims and importance (2–4 sentences).
Primary and secondary hypotheses; state null and alternative where appropriate.
Define primary outcome(s), measurement units, timepoints, and how success will be assessed.
Define any secondary outcomes and planned interpretation.
Choose the best-fit design for your study.
Eligibility criteria, recruitment source, sampling method, and important demographics.
Planned total sample size.
Provide calculations, assumed effect sizes, alpha, power, and references for assumptions.
Describe allocation, randomization procedure, concealment, and blinding/masking.
Measurement instruments, protocols, timing, calibration, and any training for data collectors.
List raw variables and any derived or composite measures, including transformation rules.
Describe primary statistical models/tests, covariates, model selection rules, software and versions, and criteria for interpretation.
Describe analyses you consider exploratory and how they will be labeled in reports.
Planned methods for missing data (e.g., complete-case, imputation), sensitivity analyses, and thresholds.
Pre-specified exclusions, interim analyses, stopping criteria, and decision rules for early termination.
Storage, backups, access controls, data validation, provenance, and retention policies.
Planned repositories (e.g., GitHub, GitLab, Zenodo), licensing, and when code will be released.
Repository, anonymization/pseudonymization approach, metadata standards, access restrictions, and embargoes if any.
Where you will register/post the protocol (e.g., OSF, ClinicalTrials.gov) and expected DOI or registry number.
State whether you plan to post a preprint and which server.
IRB/ethics committee status, reference numbers, and consent procedures.
Planned authorship criteria and contributor roles (e.g., CRediT taxonomy).
Declare funding sources, sponsor roles, and any potential conflicts of interest.
How protocol deviations and future amendments will be documented and reported.
By checking yes you declare intent to follow the sharing commitments above.
Short label for this saved version (e.g., v1, prereg_2026-08-15).
Submission date will be recorded automatically; you may optionally enter a preferred date.
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