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| Criterion |  Innovation Brainwriting |  UX Design Lean UX Canvas |  Product Discovery Opportunity Solution Tree |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 15-30 min | 2-3 h | 1-2 h Setup, laufend | 20-35 min |
Participantsdifferent | 3-12 | 3-8 | 2-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Completed Lean UX Canvas, Hypothesis list, First experiment | Opportunity Solution Tree, Experiment Backlog, Learning Log | Test Card with a pre-set threshold |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | CanvasHypothesisOutcomesDiscovery | DiscoveryOutcomesExperimentsOpportunity | ExperimentsValidationDiscoveryHypothesis |