# Assumption map · [Product or initiative] · [Date] | # | Assumption | Type (D/F/V/A) | Importance (H/M/L) | Evidence today (strong/some/none) | Quadrant | Test | Owner | Status | |---|---|---|---|---|---|---|---|---| | 1 | | | | | | | | | Types: D = desirability (do they want it?), F = feasibility (can we build it?), V = viability (should we, financially?), A = adoptability (will the buying group, security and procurement let it through?). ## Test first (important, little evidence) 1. 2. 3. ## Review rhythm Update after every three or four interviews or tests. Move assumptions between quadrants as evidence arrives, and note why.