← All resources
LogExecution
Commercial Experiment Log
A sprint log for testing one commercial assumption at a time.
01When to use it
Use this when the founder needs to turn uncertainty into a clearer operating document.
02What it includes
- Assumption
- Experiment design
- Success criteria
- Evidence collected
- Decision
- Next action
03About the tool
Commercial Experiment Log is designed to help you slow the problem down without slowing the company down. Use it to name the assumption, capture the evidence, and decide what should happen next.
Pairs with
Read alongside this lesson.
04Printable worksheet
Use this version now. Click Print this worksheet below, or press ⌘ P / Ctrl P and save as PDF. A polished downloadable PDF is below.
Commercial Experiment Log
A sprint log for testing one commercial assumption at a time.
01Assumption
02Experiment design
03Success criteria
04Evidence collected
05Decision
06Next action
05Use it this week
Download the PDF, work through it solo, or run it with your team. The printable version above is also ready if you prefer working in the browser.