Habit Experiment Lab
Try one small change and compare the days you actually recorded, with gaps kept visible.
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Observe one small change.
01
Choose what to try
Name the cue, the small behavior and one adjustment. Set a before and after period.
02
Record known observations
Mark done, missed or skipped days. Optional amounts keep zero and unknown separate.
03
Compare and reflect
Inspect recorded attempts, coverage and amount summaries. Keep your decision and alternative explanations with the record.
About this tool
Does a higher completion rate prove the change worked?
No. This is a descriptive before/after record. Missing days and changing circumstances matter. Skips and unrecorded days are not failed attempts, and neither period proves causation.
What is saved or downloaded?
Save keeps the project in this browser and account. TXT and CSV include app-specific records and calculation rules. JSON Backup preserves the editable project for transfer or restoration. Save an unfinished draft, then correct invalid inputs before exporting results.