Worksheets and research resources · Page 23
Search and filter all worksheets and research resourcesHypothesis-family and multiplicity planning worksheet
Complete before examining results where possible; document actual timing honestly.
Person-time incidence audit worksheet
Use one time unit throughout each calculation. Decide first versus recurrent events in advance.
PubMed literature search
Search biomedical citations and abstracts free of charge. Linked journal full text may have separate access restrictions.
ClinicalTrials.gov study registry
Find registered clinical studies and posted results. Registry listings are submitted by sponsors or investigators and do not establish study quality.
PROSPERO review registry
Search registered systematic reviews and prepare an eligible health-related review registration. Registration is free and requires sign-in.
OSF research workspace
Organize research materials and create transparent, time-stamped registrations using the free, open-source OSF platform.
R statistical computing
Download free statistical computing software through CRAN and build reproducible analyses with scripts and documented packages.
OpenEpi epidemiology calculators
Use open-source browser calculators for summary-data epidemiology, including study comparisons, sample size, and diagnostic tables.
G*Power power analysis
Download free desktop software for supported statistical power and sample-size calculations. Choose the test family and assumptions appropriate to your design.
Cochrane Handbook online
Read the free online methods handbook for systematic reviews of interventions, from planning and searching to synthesis and interpretation.
NIST statistical methods handbook
Explore public statistical guidance on exploratory analysis, assumptions, modeling, and measurement, with worked examples.
robvis risk-of-bias plots
Create risk-of-bias traffic-light and summary plots from judgments your review team has already made, using an open-source R package.