Free tool · Rehearse your analysis
Study Data Creator Realistic study data before you collect a single response. Describe your study, variables, distributions and expected effects; the creator builds a validated simulated dataset, runs the analyses and exports to SPSS, Excel/CSV or Word.
✓ 100% free · ✓ No sign-up · ✓ Runs in your browser
Who this is for
Researchers piloting an analysis plan, teachers preparing practicals and students learning statistics who need believable data that behaves as designed.
Watch it work
Your study dataset in four steps Follow the walkthrough — click any step to see it, or let it play.
1 Describe your study Pick the design and how many participants you plan to recruit. 2 Define your variables Add outcomes, exposures and covariates with realistic distributions. 3 Set relationships Declare the effects you expect — e.g. smokers twice as likely to have the outcome. 4 Generate & export Create a validated dataset, preview the analyses and export to SPSS, CSV or Word.
MrThesis · Study data creator
Study design
Cross-sectional survey Case-control Cohort Randomised trial
Variables
Hypertension · yes/no, 25% Outcome Smoking · yes/no, 30% Exposure Age · normal, mean 45 ± 12 Covariate Gender · 52% female Covariate
Validation · target vs generated
Hypertension 25% 24.8% ✓ Smoking 30% 30.3% ✓ Smoking OR 2.0 2.04 ✓
✓ 400 rows exported to SPSS (.sav)
What you get
Ready for your thesis Simulated dataset matching your declared design Validation report against your targets Exports to SPSS (.sav), Excel/CSV and Word Saved studies you can reopen and refine Guided steps: design → variables → relationships → generate Validated against the shape you declared Export to SPSS (.sav), CSV and Word Perfect for piloting analysis plans and teaching Launch Data creator ↗ Paid help · when you want it
Prefer an expert to do it? Our statisticians can take over this step for you — fully justified, checked and explained for your supervisor or reviewers.
FAQ
Study Data Creator, answered Is the data real?+ No. It is entirely simulated and must never be presented as collected data. It is for planning, teaching and practice.
Can I use it to test my analysis plan?+ Yes — that is its main purpose: run your planned tests on data shaped like your study.
Can I save my study?+ Yes. Studies are saved in your browser and can be exported and imported as files.
Complete your workflow
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