Assumption Ladder

This canvas allows teams to rank assumptions that would cause the most damage if wrong. It also captures how easy or hard testing is to prioritize what to focus on first.

Leading Practices:

Frame assumptions as testable beliefs, not general risks: Write assumptions as clear statements that can be proven right or wrong.

Separate importance from ease of testing: High-impact, hard-to-test assumptions demand special attention—not avoidance.

Use ranking to decide what must be learned before advancing: The output  should prioritize guide what rapid experiments need to be crafted and why.

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