Pipeline
What's actively happening.
The registry catalogues experiments after the fact. The pipeline shows what's happening now — preregistered pilots in progress, packaged templates ready for any city to adopt, and recent additions to the published evidence base. Read it as a live view of where the field is moving.
Preregistered pilots
No public preregistrations yet — this slot is waiting for the first.
Preregistration commits a design before data collection. The registry will publish whatever you find, positive or null. Submit a preregistration →
Templates ready for adoption
All templates →Packaged pilot designs with pre-computed sample sizes, randomization plans, and IRB notes. Any city or agency can adopt one and we'll help adapt it to local context.
Public Safety
Court-date SMS reminder pilot
12–16 weeks from kickoff to readout (after first hearing cycle).
Tax & Revenue
Tax-compliance reminder letter A/B
16–24 weeks (depending on tax cycle).
Public Health
Vaccination uptake SMS + appointment scheduling
8–12 weeks.
Benefits Enrollment
Benefits-application simplification A/B
16–24 weeks.
Energy & Environment
Home energy report rollout
12 months (to measure persistence past initial novelty).
Voter Engagement
Voter registration SMS / mail outreach
8–10 weeks before the next election.
Recent additions to the registry
Browse all 140 entries →Buy-Now-Pay-Later SMS Late Payment Reduction
AFM (Dutch Authority for the Financial Markets) + Riverty · Netherlands · 2024 · Financial Services · Effect: −20% of customers charged late fees (1 in 5 avoided a fee)
SMS Reminders for Childhood Vaccination — Meta-Analysis
Systematic review (international) · Global (multiple countries) · 2024 · Public Health · Effect: RR = 1.11 (95% CI: 1.05–1.17); effect consistent across income settings
Add yourself to the pipeline.
Cities, researchers, and funders: three concrete ways to participate.