Evidence position
Design a trial
Hypothesis, baseline and target — before the change, not afterFilters
Applied to every screen, the report and the CSVTrial register
No trials logged yet. Design one on the left, or load the sample register from the Settings tab.
Headline figures
Trials by measured change
Direction-aware improvement from baseline to trial, best firstWhen each trial ran
Every trial with a start and an end, in start order, coloured by conclusionHow trials ended
The conclusion mix across the registerTrials by strength of evidence
How much weight each result can actually carryThe trial log
Every trial, most recently started first, with the design and the result side by sideCredibility check
Every reason somebody could reasonably refuse to believe a result on this registerSettings
Currency, dates and the rules this tool appliesReport header
Appears on the printed reportYour data
Stays on this computerRecords and settings are stored in this browser only. Use Export .json for a backup you can archive or move to another machine, and Import .json to restore it. Reset asks twice, then erases everything.