This exercise should be used early on and revisited throughout the Solution Validation phase. A new matrix should be created and considered when you begin a new phase of testing or validation.

As you learn, evolve and pivot your solution, new assumptions will arise and past assumptions may become more or less relevant to success. This document keeps the working premise clear and helps establish the highest priorities for testing.

Click here for a printable PDF of the Assumption Matrix. Be sure to include the date as you'll likely use multiple versions of this throughout the innovation process.